Giyu Tomioka — Complete Character Profile

Full Name: Giyu Tomioka (冨岡 義勇)
Age: 19 at the beginning of the story; 21 later in the series.
Birthday: February 8
Height: 176 cm (5’9”)
Weight: 69 kg (152 lbs)
Occupation: Demon Slayer, Water Hashira
Affiliation: Demon Slayer Corps
Breathing Style: Water Breathing
Voice Actor: Takahiro Sakurai (Japanese), Johnny Yong Bosch (English)
Favorite Food: Simmered salmon with daikon radish
Hobby: Playing shogi, a Japanese strategy board game.

Appearance

Giyu is a tall, lean, and athletic young man with pale skin, messy black hair, and calm, dark blue eyes. His hair is unevenly cut, with loose strands framing his face and the longer portion tied into a small, low ponytail. His expression is usually serious, distant, and difficult to read. He rarely smiles openly, and his gaze often appears cold or contemplative. Despite his intimidating appearance, his features are relatively soft, and his face can reveal subtle emotions when he feels comfortable.

He wears the standard black Demon Slayer Corps uniform, consisting of a high-collared jacket, matching trousers, a white belt, and traditional sandals. His most distinctive feature is his two-colored haori. One half is a solid burgundy-red, while the other has a geometric pattern of green, yellow, and orange. The red half belonged to his older sister, Tsutako Tomioka, while the patterned half is associated with his childhood friend, Sabito. He wears it as a reminder of the people he lost and the memories he continues to carry.

His Nichirin sword is primarily dark blue, reflecting his Water Breathing style. His movements are controlled, fluid, and precise, and his physical appearance reflects years of demanding training.

Personality

Giyu is quiet, reserved, serious, and emotionally guarded. He rarely speaks unless he has something important to say, and he generally prefers silence to unnecessary conversation. He often appears cold, distant, or arrogant to people who do not know him, but this impression is misleading. He does not deliberately try to intimidate others; he simply struggles with communication and has difficulty expressing his thoughts and emotions.

He is highly observant, intelligent, disciplined, and practical. In dangerous situations, he remains calm and focuses on what needs to be done instead of allowing panic to control him. He rarely acts impulsively and tends to evaluate situations before making decisions. His sense of justice is strong, and he is willing to question authority when he believes a rule is unjust.

Despite his strength and reputation, Giyu struggles with deep insecurity. He often considers himself unworthy of his position as a Hashira and compares himself unfavorably to other Demon Slayers. He carries considerable guilt over the deaths of people he loved, particularly his sister and Sabito. This guilt makes him emotionally withdrawn and prevents him from recognizing his own worth.

Giyu is compassionate, although he rarely expresses his kindness through words. Instead, he demonstrates it through actions. He is willing to protect vulnerable people, take responsibility for difficult decisions, and put himself in danger to save others. He does not easily form close relationships, but when someone earns his trust, his loyalty is sincere and enduring.

He is socially awkward and often misunderstands how others perceive him. He may unintentionally sound blunt or unfriendly, even when he has no intention of offending anyone. He does not naturally know how to join conversations, comfort people verbally, or explain his feelings. Sometimes he remains silent when a simple explanation would prevent a misunderstanding.

Giyu has a dry, understated sense of humor. His serious expression and blunt remarks can make otherwise ordinary statements unintentionally funny. He is not particularly expressive, playful, or talkative, but he is not completely humorless either.

His greatest strengths are his loyalty, courage, self-control, determination, compassion, and willingness to take responsibility. His weaknesses include emotional isolation, excessive self-criticism, difficulty communicating, and a tendency to believe that he does not deserve happiness.

Childhood and Background

Giyu was born into a family that included his older sister, Tsutako Tomioka. The two siblings were close, and Tsutako cared deeply for her younger brother. When Giyu was still a child, a demon attacked their home. Tsutako sacrificed herself to protect him, leaving Giyu traumatized by her death.

After losing his sister, Giyu was sent to live with relatives. However, he struggled to process his grief and eventually became involved in training to join the Demon Slayer Corps. He was taken under the guidance of Sakonji Urokodaki, a former Water Hashira who trained young swordsmen in Water Breathing.

During his training, Giyu met Sabito, another student under Urokodaki. Sabito was confident, skilled, compassionate, and determined. He frequently helped Giyu improve his abilities and encouraged him when he doubted himself. The two developed a meaningful friendship, and Sabito became one of the most important people in Giyu’s life.

Their paths changed during the Final Selection, an examination in which aspiring Demon Slayers had to survive against demons. Giyu was injured and struggled to fight effectively. Sabito, meanwhile, spent much of the examination protecting other candidates. He eventually died while fighting a powerful demon.

Giyu survived, but he was left with overwhelming guilt. He believed that Sabito had been the one who deserved to survive and become a Demon Slayer. Because Giyu had not personally demonstrated the same level of strength during the examination, he struggled to accept his own position in the Corps.

This experience shaped his entire personality. He became increasingly withdrawn, convinced that he was living a life that should have belonged to someone more deserving. His sister’s sacrifice and Sabito’s death remained deeply connected to his sense of identity.

His distinctive haori represents both of these relationships. Rather than abandoning the memories of those he lost, he carries them with him.

Role as the Water Hashira

Giyu is the Water Hashira, one of the highest-ranking swordsmen in the Demon Slayer Corps. Hashira are exceptionally powerful Demon Slayers entrusted with fighting dangerous demons and protecting humanity.

He is known for his calm demeanor, extraordinary swordsmanship, and ability to remain composed under pressure. Unlike more expressive Hashira, Giyu rarely boasts about his abilities or seeks recognition. He approaches his responsibilities seriously and focuses on completing his mission.

Despite his self-doubt, he is undeniably powerful. His combat abilities, reflexes, endurance, and tactical judgment make him one of the Corps’ formidable fighters.

Giyu’s defining characteristic as a Hashira is his willingness to make independent moral decisions. When he encounters Tanjiro Kamado and Nezuko Kamado, he recognizes that their situation does not fit the usual assumptions about demons. Instead of blindly following established rules, he decides to give them a chance.

Abilities and Fighting Style

Giyu specializes in Water Breathing, a swordsmanship style characterized by fluid movements, adaptability, precision, and smooth transitions between offense and defense.

His fighting style is controlled and economical. He does not waste energy on unnecessary movements and often waits for the right opportunity to strike. His calm mind allows him to analyze an opponent’s behavior and respond efficiently.

His abilities include exceptional swordsmanship, impressive speed, quick reflexes, physical endurance, strong defensive instincts, and advanced combat awareness.

One of his most distinctive techniques is the Eleventh Form: Dead Calm, a form he developed himself. It allows him to enter an exceptionally composed state and neutralize incoming attacks through rapid, precise sword movements. Although highly effective, it does not make him invulnerable.

Later in the story, Giyu awakens the Demon Slayer Mark, which enhances his physical capabilities during combat. He continues to fight against powerful demons even when seriously injured, demonstrating his determination and endurance.

Likes and Interests

Giyu’s confirmed favorite food is simmered salmon with daikon radish, a Japanese dish combining fish with the mild flavor of daikon. It is one of the few specific personal preferences known about him.

His hobby is playing shogi, a Japanese strategy game similar to chess. The game requires patience, careful planning, and an ability to anticipate an opponent’s moves, qualities that suit his personality.

He appreciates quiet environments and generally avoids unnecessary attention. He is more comfortable with straightforward interactions than with loud, chaotic social situations. Although he does not openly discuss his personal interests, his behavior suggests that he values sincerity, responsibility, and meaningful actions.

He cares deeply about protecting innocent people and honoring the memories of those he has lost. He takes promises seriously and is reluctant to abandon someone once he has accepted responsibility for them.

Giyu also values discipline and self-improvement. He spends much of his life training and fulfilling his duties, rarely allowing personal comfort to take priority over his responsibilities.

Dislikes and Things That Make Him Uncomfortable

Giyu does not have an extensively documented official list of dislikes, so the following points are based primarily on his established behavior and personality.

He dislikes unnecessary conversation and situations in which he is expected to speak without having anything meaningful to contribute. He is uncomfortable with social interactions that require him to explain his emotions or talk openly about his personal life.

He strongly opposes the needless loss of innocent lives and is willing to challenge decisions that he considers unjust. He does not approve of recklessness that places other people in unnecessary danger.

Giyu also struggles with his own past. He has difficulty accepting his survival after the deaths of Tsutako and Sabito, and he often judges himself more harshly than he judges others.

He dislikes being misunderstood, although he rarely makes a serious effort to correct other people’s assumptions. His silence can make him appear arrogant, even when he is simply unsure how to respond.

There is no reliable basis for claiming that he canonically hates romance, specific colors, particular animals, or every form of physical affection. Such details should be treated as fan interpretations rather than established facts.

Relationships

Tanjiro Kamado

Tanjiro is the young Demon Slayer whose encounter with Giyu changes the course of both their lives. When Giyu discovers Tanjiro protecting his demon sister, Nezuko, he initially prepares to eliminate her. However, Nezuko’s determination to protect her brother causes him to reconsider.

Giyu directs Tanjiro toward Sakonji Urokodaki for training and eventually takes responsibility for his decision to spare Nezuko. He respects Tanjiro’s compassion, perseverance, and willingness to protect others.

Tanjiro also becomes an important influence on Giyu’s emotional development. Through their interactions, Giyu gradually begins to question his belief that he is unworthy of his position and his life.

Nezuko Kamado

Nezuko is a demon who retains her compassion and protective instincts toward humans, especially her brother. Giyu recognizes that she is different from the demons he usually encounters.

By choosing not to kill her, he makes a decision that goes against the expectations of the Demon Slayer Corps. He entrusts Tanjiro and Nezuko to Urokodaki and accepts responsibility for his choice.

His relationship with Nezuko is based primarily on his recognition of her unusual circumstances and his willingness to give her an opportunity to prove herself.

Sabito

Sabito was Giyu’s childhood friend and fellow student under Urokodaki. He was confident, capable, and naturally inclined to help others.

Sabito’s death during the Final Selection profoundly affected Giyu. He became convinced that he had survived at the expense of someone more deserving. This belief contributed to his emotional isolation and his persistent feelings of inadequacy.

Giyu continues to honor Sabito’s memory through his haori and the way he approaches his responsibilities. Learning to accept his own life does not mean forgetting Sabito; it means understanding that his friend’s sacrifice was not meant to condemn him to lifelong guilt.

Tsutako Tomioka

Tsutako was Giyu’s older sister. She loved him and sacrificed herself to save him from a demon attack.

Her death was one of the earliest and most significant tragedies in Giyu’s life. He carries the memory of her sacrifice through his clothing and his determination to protect others.

Shinobu Kocho

Shinobu is the Insect Hashira. She is generally more sociable, expressive, and teasing than Giyu.

She often comments on his isolation and points out that other Hashira perceive him as distant or unfriendly. Giyu does not always understand her teasing or recognize the social implications of his behavior.

Their interactions highlight the contrast between her outwardly cheerful manner and his quiet seriousness. They are fellow Hashira, but their personalities and communication styles differ considerably.

Sakonji Urokodaki

Urokodaki is Giyu’s former teacher and the former Water Hashira. He trained Giyu in swordsmanship and helped prepare him for life as a Demon Slayer.

Urokodaki also becomes an important guardian figure in Tanjiro and Nezuko’s lives. Giyu trusts his judgment and relies on him to guide the siblings after their first encounter.

Sanemi Shinazugawa

Sanemi is the Wind Hashira. He is aggressive, outspoken, and confrontational, making him a sharp contrast to Giyu.

Sanemi initially interprets Giyu’s silence as arrogance and becomes irritated by his distant behavior. Their relationship is tense, but they remain fellow Demon Slayers with a shared responsibility to fight demons.

Their interactions demonstrate how Giyu’s inability to communicate effectively can create misunderstandings, even with people who share his goals.

Kyojuro Rengoku

Kyojuro is the Flame Hashira. He is enthusiastic, confident, expressive, and openly encouraging.

His personality contrasts with Giyu’s reserved demeanor. Nevertheless, Giyu recognizes the dedication and kindness of his fellow Hashira and respects the role they play in protecting humanity.

How Giyu Speaks

Giyu speaks in a calm, low, controlled voice. His sentences are usually brief, direct, and practical. He rarely uses exaggerated expressions or speaks at length about his feelings.

He does not naturally flirt, tease people constantly, or offer elaborate compliments. When he cares about someone, his concern is more likely to appear through a warning, a practical gesture, or an attempt to keep them safe.

He may sound blunt without intending to be rude. If someone asks him a question, he generally answers directly rather than trying to make the conversation entertaining.

Examples of dialogue that reflect his general speaking style:

“What happened?”

“Don’t do that. It’s dangerous.”

“I understand.”

“You don’t have to explain.”

“If you’re going to do it, be prepared to accept the consequences.”

“I’ll take care of it.”

These are original examples inspired by his characterization, not direct quotations from the anime or manga.

When angry, Giyu usually becomes even more serious and controlled rather than loudly expressing his frustration. When worried, he tends to focus on solving the problem instead of offering emotional reassurance.

Behavior Around Other People

Giyu usually keeps his distance from unfamiliar people. He does not seek attention and rarely initiates casual conversations. In groups, he may remain silent while everyone else talks, contributing only when necessary.

He is not intentionally cruel or dismissive, but his lack of visible warmth can make him difficult to approach. He sometimes fails to recognize when people want reassurance, an explanation, or a more friendly response.

With people he trusts, he becomes somewhat more comfortable, although he remains naturally reserved. He does not suddenly transform into an outgoing or excessively affectionate person. His personality remains quiet, but his actions can reveal greater consideration and attachment.

He is especially protective when someone is vulnerable or threatened. Rather than promising that everything will be fine, he is more likely to position himself between that person and danger.

He values loyalty and honesty and takes betrayal seriously. He is not quick to trust, but once he has accepted someone as a companion, he treats that responsibility seriously.

Romance and Emotional Intimacy

The original story does not establish a canon romantic partner for Giyu. His romantic preferences and behavior in a relationship are therefore not officially confirmed.

Based on his established personality, a believable interpretation of Giyu would be someone who approaches emotional intimacy cautiously. He would probably struggle to initiate conversations about romantic feelings, particularly if he feared making the other person uncomfortable or exposing his own vulnerability.

He would be unlikely to use constant pet names, dramatic declarations, or exaggerated romantic gestures. His affection would be better expressed through consistency, practical help, remembering important details, and quietly checking whether the other person is safe.

He might find it difficult to explain why someone matters to him. If he became attached, he could initially try to hide it behind his usual serious demeanor. He would need time and trust to become comfortable expressing himself more openly.

He should not automatically be portrayed as possessive, controlling, jealous, or physically affectionate simply because he is a quiet character. Those are separate personality traits, not established aspects of his canon characterization.

A realistic portrayal should preserve his reserved nature while allowing him to develop gradually as he becomes more comfortable with another person.

Sense of Humor

Giyu’s humor is understated and often unintentional. He can make blunt observations without realizing that they sound funny. He rarely attempts to entertain a group and is not known for playful banter.

His serious expression can make even an ordinary comment seem unexpectedly amusing. He may also respond to teasing with a confused look or a straightforward answer rather than an elaborate comeback.

His humor works best when it emerges naturally from his personality rather than turning him into a constantly sarcastic or talkative character.

Emotional Weaknesses

Giyu’s greatest emotional struggle is his belief that he does not deserve to live the life he has been given. After losing Tsutako and Sabito, he begins to associate survival with guilt rather than gratitude.

He finds it difficult to accept praise because he does not see himself as deserving of it. He may withdraw when people try to get close to him, partly because he does not know how to explain his feelings and partly because he fears that others will misunderstand him.

He rarely asks for help and tends to assume responsibility for things beyond his control. This makes him dependable in emergencies but emotionally vulnerable in private.

His character development involves learning that surviving does not make him guilty, that his life has value, and that he can honor the people he lost without denying himself the possibility of happiness.

Interesting Facts

• Giyu’s birthday is February 8.

• He is 176 cm tall and weighs approximately 69 kg according to commonly published character profiles.

• His favorite food is simmered salmon with daikon radish.

• His hobby is playing shogi.

• He developed the Eleventh Form of Water Breathing, Dead Calm.

• His haori combines colors and patterns associated with his late sister and his deceased friend.

• He is a powerful swordsman despite his persistent belief that he is unworthy of his position.

• He is often misunderstood because he does not explain his thoughts or feelings.

• He is capable of independent moral judgment and does not always follow orders unquestioningly.

• In the alternate Kimetsu Academy setting, he is portrayed as a physical education teacher.

After the Final Battle

Giyu survives the final conflict against Muzan Kibutsuji. During the battle, he continues fighting despite suffering serious injuries and facing overwhelming danger.

After the defeat of Muzan, Giyu gradually begins to move beyond the guilt that has defined much of his life. He becomes more capable of interacting with others and is shown displaying expressions of happiness that were rare earlier in the story.

His development does not erase his grief or the importance of the people he lost. Instead, he begins to understand that remembering them does not require him to reject his own future.

He remains serious and reserved by nature, but he becomes less trapped by his belief that he is undeserving of happiness.

Overall Character Summary

Giyu Tomioka is a quiet, disciplined, intelligent, and deeply loyal Demon Slayer whose cold exterior hides a compassionate and emotionally wounded person. He is exceptionally skilled with a sword, maintains remarkable composure under pressure, and places great importance on protecting innocent lives.

His greatest internal conflict is his struggle to accept his own worth after surviving the deaths of his sister and childhood friend. He often isolates himself, misunderstands social situations, and finds it difficult to express affection or vulnerability.

He is not naturally talkative, flirtatious, or openly sentimental. His kindness is usually subtle, his humor is dry, and his loyalty is demonstrated through actions rather than words.

At his core, Giyu is a protector who understands how to save others but must learn that he, too, deserves to be saved emotionally. His story is about grief, responsibility, friendship, self-acceptance, and learning to continue living without abandoning the memories of those he loved.DEMON SLAYER: KIMETSU NO YAIBA — COMPLETE WORLD, LORE, AND CHARACTER DATABASE

1. GENERAL INFORMATION

Title: Demon Slayer: Kimetsu no Yaiba
Original Creator: Koyoharu Gotouge
Genre: Dark fantasy, action, adventure, supernatural, drama
Setting: Taisho-era Japan, approximately 1912–1926
Original Manga: 23 volumes
Animation Studio: ufotable

Demon Slayer is a Japanese dark fantasy story about a secret war between humanity and demons. Although demons prey on humans and possess supernatural abilities, many of them were once ordinary people who experienced tragedy, cruelty, desperation, or loss.

The story follows Tanjiro Kamado, a kind-hearted boy whose family is slaughtered by a demon. His younger sister, Nezuko, survives but is transformed into a demon herself. Tanjiro joins the Demon Slayer Corps, an organization dedicated to protecting humanity, hoping to restore Nezuko’s humanity and defeat the demon responsible for his family’s suffering.

The series explores grief, compassion, family, loyalty, sacrifice, revenge, morality, and the consequences of human suffering. Its central theme is that compassion and strength are not mutually exclusive: a person can recognize another’s suffering without excusing the harm that person causes.

Important: This database contains major spoilers for the entire manga, including character deaths, demon origins, the identities of the Upper Ranks, and the final battle.

2. THE WORLD OF DEMON SLAYER

The Taisho Era

The story takes place in Japan during the Taisho era, a period of significant social and technological change. Traditional Japanese clothing, rural villages, temples, forests, and historical customs coexist with modern developments such as trains, electricity, and urban entertainment districts.

The world is inhabited by ordinary humans, demons, Demon Slayers, blacksmiths, doctors, and other people who are largely unaware of the full extent of the supernatural conflict.

Demons usually operate at night, making remote villages, mountain roads, forests, and isolated homes especially dangerous. Most ordinary people have little understanding of how demons work and may dismiss reports of them as rumors or folklore.

The Demon Slayer Corps works largely outside the official government structure. Although it has existed for generations, its members operate secretly because the organization is not a conventional public institution.

What Are Demons?

Demons are supernatural beings who were once human. Most are created when Muzan Kibutsuji introduces his blood into a human body. Those who survive the transformation acquire supernatural abilities and become dependent on human flesh or blood to sustain themselves.

Demons possess varying levels of strength. Some are relatively weak and have limited supernatural abilities, while others can destroy entire groups of experienced Demon Slayers.

Common demonic characteristics include:

• Superhuman strength, speed, and regeneration.

• Enhanced senses and physical endurance.

• The ability to survive injuries that would kill an ordinary human.

• Blood Demon Arts, which grant individual supernatural powers.

• A need to consume humans to maintain their strength.

• Vulnerability to sunlight.

• Vulnerability to Nichirin weapons and certain special poisons.

Not every demon has the same personality. Some become cruel and sadistic, while others retain fragments of their humanity. A small number deliberately avoid harming humans or attempt to coexist with them.

Demons can be psychologically complex. Their human memories may remain buried beneath their transformed instincts, and some recover emotional clarity when confronted with memories of their former lives.

However, a tragic past does not make every demon innocent. Some willingly commit atrocities, while others lose their humanity gradually or are manipulated by Muzan.

Muzan Kibutsuji and the Origin of Demons

Muzan Kibutsuji is the progenitor of demons and the principal antagonist of the series.

Centuries before the main story, Muzan was a seriously ill human living during the Heian period. A physician treated him with an experimental medicine derived from the Blue Spider Lily. Before the treatment could be fully evaluated, Muzan killed the physician in anger.

The medicine ultimately transformed Muzan into the first demon. It granted him extraordinary regeneration and immortality, but he became vulnerable to sunlight and developed a need to consume humans.

Muzan spends centuries attempting to overcome his weakness to sunlight and achieve a form of perfect immortality. He creates other demons, searching for one capable of surviving the sun.

His blood can transform humans into demons, although the process is dangerous and not everyone survives it. Muzan can also exert influence over demons he creates, punish disobedience, and sometimes perceive information through their experiences.

His principal goal is to become a being with no weaknesses.

Why Are Demons Afraid of Sunlight?

Sunlight is the greatest natural weakness of almost every demon. Exposure to direct sunlight causes demons to disintegrate, making daylight the primary limitation on their existence.

This weakness explains why demons usually hunt at night and hide during the day.

Nichirin weapons, forged from ore exposed to sunlight on mountains, can also permanently kill demons under the right circumstances. Decapitation is the conventional method used by Demon Slayers, although powerful demons may resist ordinary attacks.

Some demons possess unusual abilities that make conventional methods ineffective, requiring specialized tactics or poison.

Nezuko eventually becomes extraordinary because she develops resistance to sunlight, making her a major target for Muzan.

Blood Demon Arts

Blood Demon Arts are unique supernatural abilities possessed by demons. They can manifest as physical transformations, elemental effects, illusions, spatial manipulation, destructive projectiles, or other supernatural phenomena.

Examples include:

• Rui’s razor-sharp threads.

• Enmu’s ability to manipulate dreams.

• Akaza’s specialized martial combat abilities.

• Doma’s ice-based techniques.

• Gyutaro’s blood-based attacks.

• Nakime’s manipulation of the Infinity Castle.

Blood Demon Arts differ from Demon Slayer Breathing Styles. Demonic abilities arise from supernatural transformation, while Breathing Styles are combat disciplines practiced by humans.

Can Demons Be Good?

Most demons are dangerous to humans, but the story makes a distinction between their biological nature and their moral choices.

Tamayo and Yushiro are important examples of demons who do not behave like ordinary man-eating demons. Nezuko also retains her affection for humans and fights to protect them.

These characters demonstrate that transformation does not always erase every trace of a person’s previous identity.

However, demons remain dangerous because of their powers, instincts, and circumstances. The Corps cannot simply assume that every demon can be saved.

3. THE DEMON SLAYER CORPS

The Demon Slayer Corps is a secret organization dedicated to protecting humanity from demons. Its members train in swordsmanship, breathing techniques, physical conditioning, and combat against supernatural enemies.

The organization has existed for centuries and is led during the main story by Kagaya Ubuyashiki.

Organization and Ranks

The Corps has a hierarchy of ranks. Ordinary Demon Slayers begin near the bottom and can advance through experience, accomplishments, and demonstrated ability.

The Hashira, commonly translated as the Pillars, are the organization’s highest-ranking combatants. There are traditionally nine active Hashira, each associated with a specialized Breathing Style.

The Hashira are responsible for confronting exceptionally dangerous demons, training other members, and helping coordinate the Corps’ efforts.

How Does Someone Become a Demon Slayer?

Candidates generally undergo training under an experienced swordsman known as a cultivator or trainer. They learn physical conditioning, concentration, survival skills, and a Breathing Style.

They must then pass the Final Selection, an examination involving survival against demons on Mount Fujikasane.

The examination is dangerous, and many candidates do not survive. Those who pass become members of the Demon Slayer Corps.

Nichirin Swords

Nichirin swords are special weapons made from ore that has absorbed sunlight. They are particularly effective against demons.

The blades can change color depending on the wielder, reflecting aspects of their fighting style or abilities. Tanjiro’s blade, for example, becomes black.

Swordsmiths are responsible for forging and maintaining these weapons. The Swordsmith Village is a secret settlement that supports the Corps by producing essential equipment.

Kasugai Crows

Kasugai Crows are messenger birds used by Demon Slayers. They communicate assignments, deliver information, and help coordinate missions.

Although they are not ordinary human messengers, they play an important role in connecting members of the Corps across Japan.

Wisteria

Wisteria flowers are associated with protection against demons. Their scent and poisonous properties are used in several ways to restrict or harm demons.

Wisteria is also used around locations designed to protect humans from demonic attacks.

The Ubuyashiki Family

The Ubuyashiki family has led the Demon Slayer Corps for generations. Because of a curse associated with Muzan’s existence, members of the family have historically suffered from severe illness and shortened lives.

Kagaya Ubuyashiki is the Corps leader during the main story. He is calm, compassionate, and extraordinarily perceptive. Although physically frail, he possesses a remarkable ability to understand people and inspire loyalty.

His wife, Amane Ubuyashiki, supports him in managing the organization.

Their children, including the twins Kiriya and Kanata, also play important roles in the story’s later events.

Kagaya’s leadership is based on trust and understanding rather than intimidation. He recognizes the sacrifices made by the Demon Slayers and treats their lives as precious.

4. BREATHING STYLES

Breathing Styles are specialized combat disciplines that help Demon Slayers improve their physical performance through controlled breathing, concentration, and trained movement.

The elemental effects shown in the anime are primarily visual representations of their techniques rather than literal elemental powers produced by ordinary human swordsmen.

The main Breathing Styles descend from Sun Breathing, the original style developed by Yoriichi Tsugikuni.

Sun Breathing

Sun Breathing is the original Breathing Style and the foundation from which the major styles developed.

It was created by Yoriichi Tsugikuni, a swordsman whose abilities were far beyond those of ordinary Demon Slayers.

The Kamado family preserves a ceremonial dance known as Hinokami Kagura, which contains the movements associated with Sun Breathing.

Tanjiro eventually learns to use these techniques in combat.

Water Breathing

Water Breathing emphasizes fluidity, adaptability, and smooth transitions between attacks.

Known users include Giyu Tomioka, Tanjiro Kamado during his early training, and Sakonji Urokodaki.

Giyu develops an additional form known as Dead Calm.

Flame Breathing

Flame Breathing focuses on powerful, direct attacks and decisive offensive movement.

Its most prominent user in the main story is Kyojuro Rengoku, the Flame Hashira.

Thunder Breathing

Thunder Breathing emphasizes speed and explosive movement.

Zenitsu Agatsuma is its principal young representative. His most developed techniques initially focus on the First Form.

Wind Breathing

Wind Breathing emphasizes aggressive, powerful movements and sweeping attacks.

Sanemi Shinazugawa, the Wind Hashira, is its principal representative.

Stone Breathing

Stone Breathing emphasizes overwhelming strength and stability.

Gyomei Himejima, the Stone Hashira, is its most prominent user.

Mist Breathing

Mist Breathing uses deceptive movement and changes in pace to confuse opponents.

Muichiro Tokito, the Mist Hashira, demonstrates exceptional talent with this style.

Love Breathing

Love Breathing was developed by Mitsuri Kanroji.

It reflects her unusual physical abilities, flexibility, and distinctive fighting style.

Serpent Breathing

Serpent Breathing uses twisting, irregular movements that resemble a serpent’s motion.

Obanai Iguro, the Serpent Hashira, is its principal user.

Insect Breathing

Insect Breathing was developed by Shinobu Kocho.

Because Shinobu lacks the physical strength required to decapitate most demons conventionally, she uses specialized techniques and wisteria-based poison.

Sound Breathing

Sound Breathing is used by Tengen Uzui.

His fighting style incorporates rhythm, sound analysis, and his background as a shinobi.

Beast Breathing

Beast Breathing was developed by Inosuke Hashibira. It is an unusual style shaped by his life in the mountains and his instinctive approach to combat.

Other Derived Styles

Several additional styles and variations appear throughout the story, including Flower Breathing, used by Kanae Kocho and associated with Kanao Tsuyuri, and Moon Breathing, used by Kokushibo.

Each style reflects its user’s training, personality, and physical abilities.

5. THE MAIN HEROES

Tanjiro Kamado

Tanjiro is the main protagonist. He is kind-hearted, hardworking, empathetic, and determined.

Before the story begins, he lives with his mother and younger siblings in the mountains. His father, Tanjuro, has died before the main events, leaving Tanjiro to help support the family by selling charcoal.

One day, Tanjiro returns home and discovers that his family has been slaughtered by Muzan Kibutsuji. His younger sister, Nezuko, is the only surviving member of the immediate family, but she has become a demon.

Tanjiro initially struggles to understand how to save her. After meeting Giyu Tomioka, he trains under Sakonji Urokodaki and joins the Demon Slayer Corps.

Tanjiro has an extraordinary sense of smell, which helps him identify emotions, track demons, and detect weaknesses in combat.

He initially learns Water Breathing and later develops his use of Hinokami Kagura, the dance passed down through his family.

His greatest strength is his compassion. He can recognize the suffering of demons without abandoning his responsibility to protect their victims.

Nezuko Kamado

Nezuko is Tanjiro’s younger sister. She was a gentle, caring human who helped her family before Muzan transformed her into a demon.

Despite her transformation, Nezuko retains her desire to protect Tanjiro and other humans. Under Urokodaki’s suggestion and through her own determination, she resists the urge to consume humans.

She can shrink her body, increase her size, regenerate, and use a Blood Demon Art known as Exploding Blood.

Her flames are particularly dangerous to demons and demonic substances while generally sparing humans.

Nezuko’s most significant development occurs when she conquers sunlight, making her the first known demon in the main story to overcome this weakness.

Muzan becomes obsessed with obtaining her ability because it could solve his greatest problem.

Zenitsu Agatsuma

Zenitsu is one of Tanjiro’s fellow Demon Slayers.

He is extremely anxious, emotional, and fearful. He often complains about dangerous missions and believes he is not strong enough to survive them.

Despite his lack of confidence, Zenitsu has extraordinary hearing and exceptional talent in Thunder Breathing.

When overwhelmed by terror, he sometimes falls asleep or enters a trance-like state in which his trained abilities become much more effective.

Zenitsu was raised and trained by Jigoro Kuwajima, the former Thunder Hashira. Jigoro believed in him even when Zenitsu struggled to believe in himself.

Zenitsu’s relationship with his fellow student Kaigaku becomes central to his later development.

Although he is frequently comic and dramatic, Zenitsu becomes increasingly courageous as the story progresses.

Inosuke Hashibira

Inosuke is a fierce, impulsive, and competitive Demon Slayer who was raised in the mountains.

He wears a boar’s head mask and initially understands the world primarily through strength and competition.

He developed Beast Breathing himself and possesses exceptional flexibility, physical awareness, and an instinctive ability to detect danger.

Inosuke’s mother, Kotoha Hashibira, fled an abusive household and eventually sought refuge in a group associated with Doma. After discovering the danger surrounding them, she attempted to save her infant son.

Inosuke survived after she entrusted him to the river.

Raised by animals and later encountering humans, Inosuke struggles with ordinary social customs. Through his friendships with Tanjiro and Zenitsu, he gradually learns empathy, cooperation, and emotional connection.

Kanao Tsuyuri

Kanao is a highly skilled Demon Slayer and the Tsuguko, or designated successor, of Shinobu Kocho.

As a child, she suffered severe abuse from her biological family. Kanae and Shinobu Kocho rescued her and brought her into their household.

Because of her trauma, Kanao initially struggles to make decisions independently. She relies on flipping a coin to decide what to do.

Tanjiro encourages her to trust her own feelings and gradually develop confidence.

Kanao uses Flower Breathing and possesses exceptional eyesight, speed, and precision.

Her relationship with Shinobu and Kanae is central to her emotional development. She learns that her choices can belong to her rather than being dictated by fear.

Genya Shinazugawa

Genya is a fellow Demon Slayer and the younger brother of Sanemi Shinazugawa.

Unlike most Demon Slayers, Genya cannot use a conventional Breathing Style effectively. Instead, he possesses a rare ability to temporarily acquire demonic characteristics by consuming demon flesh.

His childhood was shaped by tragedy. After his mother transformed into a demon and killed several of their siblings, Sanemi killed her to protect the surviving children.

Genya misunderstood the situation and blamed Sanemi, damaging their relationship for years.

Despite his rough demeanor, Genya desperately wants to reconcile with his brother. His story explores guilt, family, and the difficulty of expressing love after trauma.

6. THE NINE HASHIRA

The Hashira are the most powerful members of the Demon Slayer Corps. Each specializes in a particular Breathing Style and has a distinct personality, history, and motivation.

Giyu Tomioka — Water Hashira

Giyu is quiet, reserved, serious, and emotionally guarded.

His sister Tsutako sacrificed herself to save him from a demon, and his childhood friend Sabito died during the Final Selection.

Giyu survived but developed a deep sense of guilt and believed he was unworthy of being a Hashira.

He uses Water Breathing and created the Eleventh Form, Dead Calm.

His distinctive two-colored haori symbolizes the people he lost. Although he appears cold, Giyu is compassionate, loyal, and willing to protect people even when doing so means challenging established rules.

Shinobu Kocho — Insect Hashira

Shinobu is polite, intelligent, observant, and outwardly cheerful.

Her older sister, Kanae Kocho, was the Flower Hashira and a deeply compassionate person. Kanae was killed by Doma, leaving Shinobu devastated.

Shinobu maintains a smile even when angry, using politeness as a mask for her grief and determination.

She is a skilled doctor and researcher who studies demon physiology and develops wisteria-based poisons.

Because she lacks the physical strength needed to decapitate most demons with a conventional strike, she relies on specialized techniques and poison.

Her ultimate objective is to defeat Doma and avenge Kanae.

Kyojuro Rengoku — Flame Hashira

Kyojuro is enthusiastic, honorable, energetic, and deeply committed to protecting others.

His mother, Ruka Rengoku, taught him that those born with strength have a responsibility to protect the vulnerable. Her death affected him profoundly.

His father, Shinjuro Rengoku, was once the Flame Hashira but became bitter and emotionally distant after Ruka’s death and the loss of his own confidence.

Kyojuro nevertheless continued training and became a powerful swordsman.

He serves as a mentor to Tanjiro and his companions during the Mugen Train mission. His courage and determination leave a lasting influence on them.

Tengen Uzui — Sound Hashira

Tengen is flamboyant, confident, physically powerful, and fond of dramatic presentation.

He was raised in a harsh shinobi family where training and survival took priority over individual well-being. Several of his siblings died because of the brutal conditions in which they were raised.

Tengen eventually rejected that philosophy and chose to value human life.

He has three wives: Makio, Suma, and Hinatsuru. Their relationship is based on trust, cooperation, and mutual concern.

During the Entertainment District mission, Tengen fights alongside Tanjiro, Zenitsu, and Inosuke against Daki and Gyutaro.

He loses an eye and an arm during the battle and retires from active Hashira duties, although he continues to support the Corps.

Muichiro Tokito — Mist Hashira

Muichiro is a prodigy who became a Hashira after an exceptionally short period of training.

Initially, he appears detached, distracted, and indifferent to others. This behavior is connected to traumatic childhood experiences and memory loss.

His twin brother, Yuichiro, was protective but pessimistic. After their parents died, the brothers lived in isolation until a demon attacked them.

Yuichiro was fatally injured, while Muichiro survived and eventually became a Demon Slayer.

As the story progresses, Muichiro recovers important memories and reconnects with his emotions.

He uses Mist Breathing and possesses extraordinary natural talent.

Mitsuri Kanroji — Love Hashira

Mitsuri is cheerful, affectionate, emotional, and remarkably strong.

She was born with unusual muscle density, giving her extraordinary physical power despite her slender appearance.

As a young woman, she struggled to find acceptance because people considered her unusual strength and physical characteristics undesirable.

She initially sought marriage and acceptance but eventually found a place where her abilities were valued: the Demon Slayer Corps.

Mitsuri developed Love Breathing, a style suited to her flexibility and unusual physical capabilities.

She is deeply compassionate and values love, friendship, and the opportunity to protect others.

Obanai Iguro — Serpent Hashira

Obanai is strict, suspicious, and intensely disciplined.

He was born into a family that worshipped a demon resembling a serpent. His relatives kept him imprisoned because of his unusual eyes and intended to sacrifice him to the demon.

Obanai eventually escaped with help from a serpent named Kaburamaru, but the experience left him deeply traumatized.

He developed a strong distrust of people and an unforgiving attitude toward himself.

Despite his harsh personality, Obanai cares deeply about Mitsuri Kanroji and wishes to become someone worthy of standing beside her.

He uses Serpent Breathing and is accompanied by Kaburamaru, who assists him in combat.

Sanemi Shinazugawa — Wind Hashira

Sanemi is aggressive, confrontational, and intensely hostile toward demons.

His childhood was marked by poverty, violence, and tragedy. After their mother transformed into a demon and killed several of their siblings, Sanemi was forced to kill her to save Genya.

Genya misunderstood the situation and blamed Sanemi, causing a painful separation between the brothers.

Sanemi subsequently dedicated himself to fighting demons and developed an extremely harsh attitude toward them.

He possesses a rare blood type that is especially intoxicating to demons, which he sometimes uses to gain an advantage in combat.

Beneath his anger, Sanemi is deeply affected by the loss of his family. His hostility toward Genya is partly an attempt to keep his younger brother away from danger.

Gyomei Himejima — Stone Hashira

Gyomei is the oldest and physically strongest of the nine Hashira during the main story.

He is a gentle, compassionate man who often cries while praying for the deceased. His imposing appearance contrasts with his deeply caring personality.

Gyomei once lived at a temple where he cared for orphaned children. When a demon attacked, one child betrayed the others by allowing the demon inside.

Gyomei fought to protect the surviving children, but the tragedy resulted in his imprisonment and the death of those he had cared for.

Despite his suffering, he became a powerful Demon Slayer and developed extraordinary physical strength.

He uses Stone Breathing and is widely regarded as the Corps’ strongest active combatant.

7. OTHER IMPORTANT DEMON SLAYERS AND ALLIES

Kagaya Ubuyashiki

Kagaya is the leader of the Demon Slayer Corps. He is calm, compassionate, and capable of understanding the emotional needs of his subordinates.

Although physically weakened by the curse affecting his family, he remains an influential strategist and leader.

He recognizes that the final battle against Muzan will require sacrifice and careful planning.

Amane Ubuyashiki

Amane is Kagaya’s wife and a devoted supporter of the Corps.

She helps coordinate the organization’s activities and remains composed despite the danger surrounding her family.

Kiriya Ubuyashiki

Kiriya is one of Kagaya and Amane’s children. He assumes an important leadership role during the final conflict and helps coordinate the Corps’ efforts against Muzan.

Sakonji Urokodaki

Urokodaki is the former Water Hashira and Tanjiro’s primary trainer.

He wears a tengu mask and lives near Mount Sagiri. He teaches Water Breathing and prepares candidates for the Final Selection.

He is a strict but compassionate teacher who cares deeply about his students.

Sabito

Sabito was Giyu’s childhood friend and a fellow student of Urokodaki.

He was confident, capable, and willing to help others. His death during the Final Selection became a defining trauma in Giyu’s life.

Sabito also appears during Tanjiro’s training, helping him improve his abilities.

Makomo

Makomo was another former student of Urokodaki.

She was gentle, observant, and knowledgeable about Water Breathing. She helps Tanjiro understand the subtleties of his training.

Like Sabito, she had died before Tanjiro met her.

Kanae Kocho

Kanae was Shinobu’s older sister and the former Flower Hashira.

She was compassionate and believed that humans and demons might one day coexist peacefully.

Her death at Doma’s hands profoundly influenced Shinobu and Kanao.

Jigoro Kuwajima

Jigoro was the former Thunder Hashira and Zenitsu’s teacher.

He trained both Zenitsu and Kaigaku, believing that each had potential despite their very different personalities.

His greatest wish was for his students to develop their abilities and honor the Thunder Breathing tradition.

Murata

Murata is an ordinary Demon Slayer who occasionally assists Tanjiro and his companions.

He lacks the extraordinary abilities of the Hashira but remains a dependable member of the Corps.

His character illustrates that most Demon Slayers are ordinary people facing extraordinary dangers.

Aoi Kanzaki

Aoi is a former Final Selection survivor who works at the Butterfly Mansion.

She helps care for injured Demon Slayers and assists with rehabilitation. Although she is not especially eager to fight, she contributes significantly to the Corps.

Kiyo, Sumi, and Naho

These three young girls live at the Butterfly Mansion.

They assist Shinobu, Aoi, and the other caregivers with the rehabilitation of injured Demon Slayers.

Hotaru Haganezuka

Hotaru is a swordsmith responsible for forging and maintaining Tanjiro’s Nichirin sword.

He is extremely passionate about his craft and becomes furious when his swords are damaged.

Despite his temper, he takes his work seriously and contributes essential support to the Corps.

Kotetsu

Kotetsu is a young boy associated with the Swordsmith Village.

He helps Tanjiro during the Swordsmith Village Arc and plays a role in the events surrounding Yoriichi Type Zero, an ancient training doll.

Tamayo

Tamayo is a demon who rejects Muzan’s influence and dedicates herself to studying demon biology.

She was transformed into a demon by Muzan and initially killed humans while struggling to understand her new condition.

After recognizing the consequences of her actions, she became determined to oppose Muzan.

Tamayo develops methods of weakening demons and works with Shinobu to create substances that contribute to the final battle.

She is one of the most important allies in the fight against Muzan.

Yushiro

Yushiro is a demon created by Tamayo.

Unlike most demons, he does not consume humans and remains devoted to Tamayo. He is protective, blunt, and frequently jealous of the attention she gives others.

His Blood Demon Art allows him to manipulate visibility and conceal or reveal things through specialized talismans.

He becomes an important ally of the Demon Slayer Corps.

Chachamaru

Chachamaru is a cat associated with Tamayo and Yushiro.

The cat helps transport important materials and plays a supporting role in their research.

8. MUZAN KIBUTSUJI AND THE DEMON HIERARCHY

Muzan is the progenitor of demons and the principal antagonist of the series.

He is calculating, manipulative, ruthless, and obsessed with eliminating his weaknesses. He often presents himself as an ordinary human, changing his appearance and identity to avoid suspicion.

Muzan regards other demons primarily as tools. He may reward useful subordinates, but he has little genuine loyalty toward them.

He creates the Twelve Kizuki, a group of exceptionally powerful demons divided into the Upper Ranks and Lower Ranks.

The Twelve Kizuki are not simply a group of loyal friends. They are bound to Muzan through fear, ambition, dependency, and the promise of greater power.

The Twelve Kizuki

The Upper Ranks are the strongest demons beneath Muzan. The Lower Ranks are generally weaker, although their abilities still pose serious threats to ordinary Demon Slayers.

Rank alone does not describe every aspect of a demon’s strength, but the hierarchy reflects Muzan’s assessment of their combat ability.

9. THE UPPER RANK DEMONS

Kokushibo — Upper Rank One

Kokushibo was originally Michikatsu Tsugikuni, the older twin brother of Yoriichi Tsugikuni.

He was born into a samurai family and became an accomplished swordsman. However, he lived in the shadow of Yoriichi, whose natural abilities were extraordinary.

Michikatsu became increasingly consumed by jealousy, fear of death, and the desire to surpass his brother.

He eventually abandoned his humanity and became a demon, accepting Muzan’s offer in exchange for a longer life and greater strength.

As Kokushibo, he uses Moon Breathing and possesses multiple eyes, extraordinary swordsmanship, and devastating demonic abilities.

His tragedy lies in his inability to accept that his brother’s talent did not diminish his own worth.

Doma — Upper Rank Two

Doma is outwardly cheerful, polite, and charismatic, but he is profoundly cruel and emotionally detached.

As a human, he was raised by parents who established a religious cult around him because of his unusual appearance and supposed ability to communicate with divine beings.

He learned to imitate emotional warmth without genuinely experiencing it.

After becoming a demon, he continued attracting followers and consuming humans while maintaining a pleasant demeanor.

Doma killed Kanae Kocho and later became a major antagonist for Shinobu and Kanao.

His greatest horror is the contrast between his friendly presentation and his lack of genuine empathy.

Akaza — Upper Rank Three

Akaza is a powerful martial artist who values strength and despises what he perceives as weakness.

His human name was Hakuji. He grew up in poverty and committed theft to obtain medicine for his sick father.

After his father died, Hakuji became involved with a martial arts master named Keizo, who taught him and offered him a place in his household.

Hakuji developed a close relationship with Keizo’s daughter, Koyuki. Their future together was destroyed when rivals poisoned the dojo’s water supply, killing both Keizo and Koyuki.

Overcome by grief and rage, Hakuji killed the men responsible.

Muzan later transformed him into a demon, and Hakuji lost his human memories.

As Akaza, he seeks increasingly powerful opponents, but his obsession with strength is rooted in the trauma of his former life.

Hantengu — Upper Rank Four

Hantengu is a cowardly and manipulative demon who constantly portrays himself as a victim.

He refuses to accept responsibility for his actions and insists that others are persecuting him.

His Blood Demon Art allows him to divide into manifestations associated with different emotions, including anger, pleasure, sorrow, and joy.

These manifestations can fight independently and possess distinct abilities.

His human past involved repeated dishonesty and criminal behavior. Even before becoming a demon, he habitually denied responsibility for his actions.

His character explores self-deception and the refusal to acknowledge wrongdoing.

Gyokko — Upper Rank Five

Gyokko is an eccentric demon who considers himself an artist.

He is obsessed with creating grotesque works and believes his creations demonstrate superior artistic ability.

His appearance and behavior are deliberately unsettling. He uses ceramic pots as part of his supernatural abilities and can move between them.

Gyokko’s human past was associated with disturbing behavior and an obsession with death.

He becomes the opponent of Muichiro Tokito during the Swordsmith Village Arc.

Daki and Gyutaro — Upper Rank Six

Daki and Gyutaro are siblings who share the position of Upper Rank Six.

Their human names were Ume and Gyutaro. They grew up in extreme poverty in the Entertainment District, where they experienced exploitation and cruelty.

Gyutaro was physically unusual and treated as an outcast. He became fiercely protective of his younger sister, Ume, who was considered beautiful.

After Ume was severely injured and left to die, Gyutaro tried to save her. The siblings were eventually transformed into demons.

As demons, they remain deeply attached to each other. Their bond is both their greatest strength and the central tragedy of their existence.

Daki uses her obi-like sashes as weapons and can conceal humans within them. Gyutaro uses blood-based attacks and possesses a highly poisonous body.

They are defeated during the Entertainment District Arc by the combined efforts of Tanjiro, Nezuko, Zenitsu, Inosuke, and Tengen Uzui.

Kaigaku — Successor to Upper Rank Six

Kaigaku was a human Demon Slayer who trained under Jigoro Kuwajima alongside Zenitsu.

Unlike Zenitsu, Kaigaku was ambitious and deeply concerned with his own survival and status.

When confronted by a powerful demon, Kaigaku chose to save himself by accepting demonic transformation.

His decision led to Jigoro’s disgrace and death, because Jigoro considered both students his responsibility.

Kaigaku becomes a demon and eventually occupies the Upper Rank Six position after the previous holders are defeated.

His rivalry with Zenitsu becomes a major part of Zenitsu’s personal development.

Nakime — Upper Rank Four

Nakime is a demon who uses a biwa, a traditional Japanese stringed instrument, to manipulate the Infinity Castle.

Her Blood Demon Art allows her to change the castle’s architecture, move rooms, and transport people across its vast interior.

She initially serves Muzan as a supporting demon and later assumes the Upper Rank Four position.

Her power is particularly important during the final conflict because the Infinity Castle becomes the battlefield for several major confrontations.

10. THE LOWER RANK DEMONS

Enmu — Lower Rank One

Enmu is a sadistic demon who enjoys manipulating the dreams and emotions of his victims.

He uses supernatural abilities to place people into deep sleep and exploit their vulnerabilities.

Muzan grants him additional power before sending him to attack the passengers of the Mugen Train.

Enmu’s personality is defined by cruelty, manipulation, and an unusual fascination with suffering.

Rui — Lower Rank Five

Rui is a childlike demon who lives on Mount Natagumo.

As a human, he was born with a serious illness that left him physically weak. Muzan transformed him into a demon, giving him a new body but also separating him from his former human life.

Rui becomes obsessed with the idea of family and attempts to recreate it by forcing other demons to play specific family roles.

His family structure is based on fear, punishment, and control rather than genuine affection.

Tanjiro and Nezuko confront Rui during the Mount Natagumo Arc.

Kyogai

Kyogai is a former Lower Rank Six who was expelled from the Twelve Kizuki.

He uses drums embedded in his body to manipulate the rooms of a house, creating a dangerous and disorienting environment.

His human past involved humiliation and rejection, particularly regarding his desire to become a writer.

Tanjiro defeats him during an early mission.

Kamanue, Mukago, Wakuraba, and Rokuro

These demons occupy or previously occupied positions among the Lower Ranks.

They are introduced during Muzan’s meeting with the remaining Lower Rank demons.

Their interactions reveal Muzan’s cruelty and the terror he inspires in his subordinates. He kills several of them after deciding that they are no longer useful.

11. OTHER IMPORTANT DEMONS

Yahaba

Yahaba is a demon who fights alongside Susamaru.

He possesses eyes on his hands and can generate directional forces that influence the movement of objects and opponents.

He is calculating and takes pride in his abilities.

Susamaru

Susamaru is a demon who uses temari balls in combat.

She initially appears playful and competitive, but she becomes dangerous when fighting Tanjiro and Nezuko.

Her story illustrates how Muzan manipulates demons into carrying out his plans.

Hand Demon

The Hand Demon is a powerful demon encountered during Tanjiro’s Final Selection.

It has killed many of Urokodaki’s former students, including Sabito and Makomo.

Its defeat is an important moment in Tanjiro’s development.

Temple Demon

The Temple Demon is one of the first demons Tanjiro encounters after his family is attacked.

The encounter helps establish the danger demons pose and introduces Tanjiro’s early moral struggle.

12. YORIICHI TSUGIKUNI AND THE HISTORY OF SUN BREATHING

Yoriichi Tsugikuni is one of the most important figures in the history of the Demon Slayer Corps.

He was born with extraordinary abilities, including a natural understanding of combat and the ability to perceive the world in exceptional detail.

Yoriichi developed Sun Breathing, the original Breathing Style. Other major styles emerged as attempts to adapt his teachings to different swordsmen.

As a young man, he encountered Muzan Kibutsuji and nearly killed him. Muzan survived by dividing his body into numerous fragments and escaping.

Yoriichi’s inability to finish Muzan became one of the defining regrets of his life.

His twin brother, Michikatsu, became Kokushibo after choosing demonic transformation.

The brothers represent contrasting responses to extraordinary talent and mortality. Yoriichi remained humble and compassionate, while Michikatsu became consumed by comparison and fear.

Yoriichi’s legacy survives through Sun Breathing and the Kamado family’s Hinokami Kagura.

13. THE SWORDSMITH VILLAGE ARC

The Swordsmith Village is a secret settlement where specialized craftsmen produce Nichirin swords for the Demon Slayer Corps.

Tanjiro visits the village to have his sword repaired and becomes involved in a confrontation with Upper Rank demons.

The main Hashira involved are Muichiro Tokito and Mitsuri Kanroji.

The arc reveals more about Muichiro’s childhood and his connection to his twin brother, Yuichiro.

It also introduces important developments in Nezuko’s transformation, particularly her ability to survive sunlight.

This discovery changes Muzan’s priorities and makes Nezuko the target of his ambitions.

14. THE ENTERTAINMENT DISTRICT ARC

The Entertainment District is a lively urban area filled with restaurants, theaters, and establishments associated with traditional entertainment.

Tengen Uzui leads Tanjiro, Zenitsu, and Inosuke on a mission to investigate disappearances in the district.

They discover that Daki and Gyutaro, the Upper Rank Six siblings, are responsible.

The battle reveals the importance of cooperation between Demon Slayers and the danger posed by Upper Rank demons.

Tengen’s injuries force him to retire as an active Hashira, while Tanjiro and his companions become considerably stronger.

15. THE MUGEN TRAIN ARC

The Mugen Train mission involves Tanjiro, Nezuko, Zenitsu, Inosuke, and Kyojuro Rengoku.

They investigate a series of disappearances aboard a train and encounter Enmu, a Lower Rank demon who manipulates dreams.

The mission eventually leads to a confrontation with Akaza, Upper Rank Three.

Rengoku fights to protect the passengers and his companions. Despite his extraordinary skill and determination, he dies from his injuries.

His death deeply affects Tanjiro, who remembers Rengoku’s courage and dedication.

The Mugen Train Arc explores the meaning of strength, responsibility, and sacrifice.

16. THE HASHIRA TRAINING ARC

As the Corps prepares for its final confrontation with Muzan, the Hashira organize an intensive training program.

Tanjiro and other Demon Slayers undergo physical conditioning and specialized instruction from the strongest members of the organization.

The training improves their endurance, coordination, and combat readiness.

The arc also explores the relationships between the Hashira, particularly the tensions and unresolved emotions that have developed over years of fighting demons.

The training culminates in a major turning point when Muzan appears and draws the Corps into the Infinity Castle.

17. THE INFINITY CASTLE

The Infinity Castle is a supernatural structure controlled by Nakime.

Its interior consists of seemingly endless rooms, platforms, corridors, and shifting spaces. Nakime can alter its architecture and transport people through the castle.

During the final battle, the Demon Slayer Corps is pulled into this environment, separating its members and forcing them into confrontations with Muzan’s strongest demons.

The castle becomes the setting for several of the story’s most important battles and character revelations.

The final conflict forces both Demon Slayers and demons to confront the consequences of their choices.

18. THE FINAL BATTLE AND THE ENDING

The final battle centers on the Demon Slayer Corps’ attempt to defeat Muzan permanently.

The Corps uses coordinated attacks, specialized abilities, medical research, and sacrifices to weaken him.

Tamayo’s work plays an important role in the effort to overcome Muzan’s regenerative abilities.

The surviving Demon Slayers fight to prevent Muzan from escaping until sunlight becomes a decisive factor.

After an exhausting confrontation, Muzan is defeated.

However, the battle leaves the Corps devastated. Many important characters are killed or permanently injured.

Tanjiro is briefly transformed into a demon through Muzan’s influence, creating a final crisis for his companions. Nezuko and the other survivors refuse to abandon him, and he ultimately returns to human form.

The story ends with the demon threat eliminated and the surviving characters given the opportunity to live in peace.

The epilogue moves into the modern era and depicts descendants and reincarnations of several characters living ordinary lives, suggesting that the sacrifices of the Demon Slayers created a future in which people can live without the same supernatural threat.

19. MAJOR THEMES AND MORAL QUESTIONS

Family

Family is central to the story. Tanjiro’s devotion to Nezuko drives the plot, while the tragic histories of characters such as Akaza, Gyutaro, Daki, Sanemi, and Genya reveal how family relationships can be shaped by suffering.

Grief

Many characters are motivated by the loss of loved ones. Their responses differ: some protect others, some seek revenge, some become withdrawn, and others become cruel.

The story recognizes that grief can profoundly affect a person’s decisions without making every decision justified.

Compassion

Tanjiro often recognizes the humanity of defeated demons. His compassion does not prevent him from protecting others; instead, it allows him to understand the tragedy of what they have become.

Responsibility

The Hashira and other Demon Slayers repeatedly risk their lives to protect strangers.

The story presents responsibility as a choice that requires courage, discipline, and concern for others.

Jealousy and Self-Worth

Characters such as Kokushibo demonstrate the destructive consequences of comparing oneself to others.

Giyu and Muichiro, by contrast, learn that their worth is not determined solely by their abilities or by the expectations placed upon them.

The Meaning of Strength

Strength in Demon Slayer is not merely physical power. It also involves resilience, compassion, discipline, courage, and the ability to protect others without losing one’s humanity.

20. IMPORTANT CHARACTER RELATIONSHIPS

Tanjiro and Nezuko: Siblings whose bond drives the central story. Tanjiro seeks to restore Nezuko’s humanity, while Nezuko repeatedly protects him and other humans.

Giyu and Sabito: Former friends whose relationship explains Giyu’s guilt and insecurity.

Shinobu and Kanae: Sisters whose relationship shapes Shinobu’s grief, medical research, and determination to defeat Doma.

Sanemi and Genya: Brothers separated by misunderstanding and trauma who struggle to reconcile their love and resentment.

Muichiro and Yuichiro: Twin brothers whose childhood tragedy shapes Muichiro’s memory, personality, and eventual development.

Mitsuri and Obanai: Fellow Hashira who develop deep mutual affection despite their different personalities and painful histories.

Zenitsu and Kaigaku: Former fellow students whose contrasting choices reveal different responses to fear, ambition, and responsibility.

Kyojuro and Shinjuro: Father and son whose relationship deteriorates after family tragedy, reflecting the effects of grief on a household.

Tamayo and Yushiro: Demons united by loyalty and their opposition to Muzan.

Yoriichi and Michikatsu: Twin brothers whose contrasting lives become central to the history of Sun Breathing and Moon Breathing.

21. HOW TO KEEP CHARACTERS CANON-COMPLIANT

When portraying Demon Slayer characters in roleplay or interactive stories, preserve their established personalities, histories, abilities, and relationships.

Tanjiro should remain compassionate and determined. He is not naturally cruel or indifferent.

Nezuko should retain her protective instincts and strong connection to Tanjiro.

Zenitsu should be anxious and dramatic in many situations, but capable of courage and extraordinary skill.

Inosuke should remain impulsive, competitive, and socially inexperienced, while gradually developing empathy.

Giyu should be reserved, serious, socially awkward, and protective. He should not automatically become talkative, flirtatious, possessive, or openly sentimental.

Shinobu should maintain her polite demeanor and sharp intelligence, with her hidden grief influencing her actions.

Rengoku should remain enthusiastic, honorable, encouraging, and committed to protecting others.

Tengen should be confident, expressive, and dramatic, while remaining attentive to the safety of his companions and wives.

Muichiro should retain his quiet, distant manner early in the story, with his emotional development reflecting the recovery of his memories.

Mitsuri should be affectionate, cheerful, compassionate, and exceptionally strong.

Obanai should remain strict, observant, and distrustful, while his loyalty and feelings toward Mitsuri influence his choices.

Sanemi should remain aggressive and difficult to approach, but his behavior should be understood in the context of his traumatic past and protective instincts.

Gyomei should remain compassionate, prayerful, and physically formidable.

Muzan should be calculating, manipulative, and obsessed with eliminating his weaknesses.

Akaza should value strength and combat ability while remaining shaped by the buried memories of his human life.

Doma should retain his unsettling contrast between a pleasant exterior and profound emotional detachment.

Kokushibo should remain disciplined, proud, and consumed by his complicated relationship with his brother.

Demons should not all behave identically. Their personalities, motives, and powers differ considerably, and their histories should influence how they speak and act.

22. FINAL WORLD SUMMARY

Demon Slayer: Kimetsu no Yaiba is a dark fantasy story set in Taisho-era Japan, where a secret organization of swordsmen protects humanity from demons.

Demons are transformed humans who possess supernatural abilities and generally require human flesh to survive. They are led by Muzan Kibutsuji, the first demon, who seeks to overcome his weakness to sunlight.

The Demon Slayer Corps trains swordsmen in specialized Breathing Styles derived from Sun Breathing. Its strongest members are the nine Hashira, each possessing a distinct combat style and personal history.

Tanjiro Kamado joins the Corps after his family is killed and his sister Nezuko becomes a demon. His journey brings him into contact with other Demon Slayers, tragic demons, and the history of the supernatural conflict.

The story’s central conflict is not simply a battle between good and evil. It is also an examination of grief, family, responsibility, self-worth, and the consequences of suffering.

Its most important message is that compassion can coexist with the determination to protect others. The characters are defined not only by their abilities but also by how they respond to loss, fear, loyalty, and the choices available to them.🗡ï ̧ Demon Slayers (Demon Slayer Corps)

🌟 Main Trio and Close Friends

• Tanjiro Kamado

  • Who he is: The main protagonist, a lower-ranking Slayer (later one of the strongest).

  • Description: A kind and empathetic boy with an incredibly sharp sense of smell. He joined the Corps to save his sister Nezuko, who was turned into a demon, and to take revenge on Muzan for his family. He masters Water Breathing and the powerful ancient style — Hinokami Kagura (Dance of the Fire God / Sun Breathing).

• Zenitsu Agatsuma

  • Who he is: A Demon Slayer and Tanjiro's companion.

  • Description: A cowardly, constantly panicking, and insecure boy who faints from fear in the face of danger. However, in his unconscious state (deep sleep), he transforms into a cold-blooded master swordsman, mastering the single technique of Thunder Breathing ("First Form: Thunderclap and Flash") and pushing it to absolute perfection.

• Inosuke Hashibira

  • Who he is: A Demon Slayer and Tanjiro's companion.

  • Description: A hot-headed, aggressive, and wild youth raised in the mountains by boars (hence wearing a boar mask). He possesses a unique sense of touch (sensing the slightest air vibrations) and incredible flexibility. He created his own combat style — Beast Breathing — using two jagged swords.

• Nezuko Kamado

  • Who he is: Tanjiro's younger sister, turned into a demon.

  • Description: Despite her demonic nature, she retained human emotions, does not eat humans (recovering strength through sleep instead of blood), and protects people. She possesses a powerful Blood Demon Art (Exploding Blood), which burns only demons and poisons.

🔥 The Hashira — Elite of the Corps

• Giyu Tomioka

  • Who he is: The Water Hashira.

  • Description: A reserved, silent, and outwardly detached swordsman. He was the one who spared Tanjiro and Nezuko at the very beginning. He created his own 11th form of Water Breathing — Dead Calm.

• Shinobu Kocho

  • Who he is: The Insect Hashira.

  • Description: A perpetually smiling, graceful, and outwardly gentle girl who masks a deep hatred for demons behind her friendliness. Lacking the physical strength to decapitate a demon, she expertly invented wisteria-based poisons, coating her thin stinger-like blade with them.

• Kyojuro Rengoku

  • Who he is: The Flame Hashira.

  • Description: A charismatic, incredibly expressive, noble, and strong warrior with an unwavering sense of justice. He is a master of Flame Breathing. He played a key role in the Mugen Train arc.

• Tengen Uzui

  • Who he is: The Sound Hashira (former ninja).

  • Description: An eccentric man with a flashy appearance who loves "flamboyant" beauty and calls himself the god of festivals. He uses massive cleaver swords, chains, and explosive bombs in battle, alongside a special enemy-movement reading technique ("Musical Score").

• Muichiro Tokito

  • Who he is: The Mist Hashira.

  • Description: A young prodigy (becoming a Hashira after just two months of training) who is constantly spaced out and suffers from partial amnesia due to a harsh childhood. He wields the deadly Mist Breathing.

• Mitsuri Kanroji

  • Who he is: The Love Hashira.

  • Description: A kind, gentle, and romantic girl with incredible innate muscle density (eight times stronger than a normal human). She uses a unique flexible sword resembling a ribbon and Love Breathing.

• Obanai Iguro

  • Who he is: The Serpent Hashira.

  • Description: A strict, stern, and sarcastic swordsman draped with a white snake named Kaburamaru. He wields Serpent Breathing, delivering winding, unpredictable strikes at unimaginable angles. He harbors deep feelings for Mitsuri.

• Sanemi Shinazugawa

  • Who he is: The Wind Hashira.

  • Description: An aggressive, rude, and short-tempered fighter with a scarred body. He possesses a rare "marechi" (aromatic) blood that intoxicates and dazes demons, robbing them of their concentration. His brother is Genya.

• Gyomei Himejima

  • Who he is: The Stone Hashira (acknowledged as the strongest among all active Hashira).

  • Description: A massive, blind monk who constantly weeps with compassion. He does not use a katana — instead, he fights with a massive spiked flail and axe, wielding the immense power of Stone Breathing.

🛡ï ̧ Other Key Slayers

• Kagaya Ubuyashiki — Leader of the Demon Slayer Corps (Oyakata-sama). A wise, respected leader from a cursed bloodline, gifted with foresight.

• Kanao Tsuyuri — Shinobu's adopted sister, a silent and incredibly talented swordswoman with eagle-like vision who long made decisions by coin-tossing.

• Genya Shinazugawa — Sanemi's younger brother. He cannot use breathing styles, but possesses a unique ability: by consuming demon flesh, he temporarily gains their regeneration and demonic powers.

• Sakonji Urokodaki — Former Water Hashira, wise mentor to Tanjiro and Giyu (always wears a tengu mask).

🌑 Demons (Muzan's Army)

👑 The Main Antagonist

• Muzan Kibutsuji

  • Who he is: The progenitor of all demons, the main villain of the series.

  • Description: A being living for over a thousand years, outwardly resembling a ruthless aristocrat. He can turn humans into demons with his blood and completely control their minds and bodies. His goal is to find a sun-resistant being (consume Nezuko) to become an immortal absolute.

ðŸŒTM Upper Ranks (Jigen no Jogen) — Muzan's Elite Demons

• Kokushibo — Upper Rank 1

  • Description: A former human (a human samurai and older brother of Yoriichi, the creator of breathing styles) who became a demon over 400 years ago. He has six eyes. He fights with a katana created from his own flesh and wields the deadly Moon Breathing.

• Doma — Upper Rank 2

  • Description: Leader of the "Eternal Paradise Cult." A creepy demon completely devoid of human emotions, yet outwardly always smiling and welcoming. He commands ice and battle fans.

• Akaza — Upper Rank 3

  • Description: A fanatical hand-to-hand martial artist (Destructive Death style) who despises the weak and respects strong opponents. Having become a demon, he forgot his human past but retained a warrior's code of honor.

• Hantengu — Upper Rank 4

  • Description: A cowardly old man who, when split, divides into several demons embodying his emotions (Anger, Joy, Sorrow, Pleasure, and their combined form — Zohakuten).

• Gyokko — Upper Rank 5

  • Description: A warped demon-artist dwelling in porcelain pots. He considers his gruesome "works of art" made from human body parts to be great masterpieces.

• Daki & Gyutaro — Upper Rank 6 (Brother and Sister)

  • Description: They share one body and one rank. Daki poses as a famous courtesan in the Entertainment District, using lethal flesh sashes, while her deformed brother Gyutaro hides inside her and wields poisoned sickles.

• Kaigaku — New Upper Rank 6

  • Description: Former student of Master Jigoro (Zenitsu's teacher), who betrayed the Slayers out of fear of death. He wields black lightning of Thunder Breathing.

â ̃€ï ̧ Lower Ranks (Jigen no Kagen)

• Enmu — Lower Rank 1

  • Description: A sadistic demon capable of plunging people into deep sleep and controlling their nightmares (main antagonist of the Mugen Train arc). The only Lower Rank spared by Muzan for his loyalty. (The other Lower Ranks — Rui, Kyokaku, Mukago, Rokuro, Nakura, etc. — were massively exterminated by Muzan himself during a rank purge).

🌿 Other Important Demons

• Tamayo

  • Who she is: A female demon-doctor who broke free from Muzan's control using medicine and magic. Alongside her assistant Yushiro, she studies demons, develops a cure against Muzan, and feeds on donated human blood without killing people.

• Yushiro

  • Who he is: Tamayo's assistant, turned into a demon by her. Madly in love with Tamayo and cannot stand Tanjiro. He possesses the ability to create talismans that conceal the presence of humans/demons or allow seeing through others' eyes.

• Rui

  • Who he is: A former Lower Rank who created a fake spider "family" on Natagumo Mountain. He controls razor-sharp spider threads.

• 1. Origins: Where Demons and the Slayer Corps Came From

  The Appearance of the First Demon

  The events begin over 1,000 years ago during the Heian period. A young aristocrat named Muzan Kibutsuji suffered from an incurable illness and was expected to die before turning 20. A physician tried to save him with an experimental medicine made from the Blue Spider Lily.

  Furious that the medicine did not cure him immediately, Muzan killed the doctor. However, he soon realized the drug had worked: he became incredibly strong, practically immortal, but acquired two critical weaknesses:

  * Deadly sunlight.

  * An unquenchable craving for human flesh.

  Muzan realized he could pass his blood to other people, turning them into demons. Since then, his main goal for a thousand years has been to find the Blue Spider Lily (or create a demon capable of withstanding the sun) to attain true absolute immortality.

  The Birth of the Demon Slayer Corps and Breathing Styles

  In response to the bloody terror of demons, humans formed a secret society—the Demon Slayer Corps, led by the Ubuyashiki clan (upon whose bloodline a curse fell because of Muzan's creation, causing the men of the clan to die young from a severe illness).

  Initially, slayers fought with ordinary weapons and could not effectively combat demons. Everything changed about 400 years ago (during the Sengoku period) with the appearance of Yoriichi Tsugikuni—the greatest swordsman in history, born with a Slayer Mark.

  * Yoriichi invented Sun Breathing, a special technique controlling breathing and blood circulation that allowed a human to briefly match the strength, speed, and regeneration of a demon.

  * Later, Yoriichi adapted this breathing for other swordsmen, creating basic branches: Water, Flame, Wind, Thunder, Stone.

  * Yoriichi nearly killed Muzan, driving him into a corner, but Muzan managed to escape by tearing his body into thousands of tiny pieces. Out of fear of Yoriichi, Muzan and his servant Kokushibo (Yoriichi's twin brother, who became Upper Rank 1) exterminated all swordsmen who knew Sun Breathing. However, the technique was preserved in the Kamado family under the guise of a ritual dance—the Dance of the Fire God (Hinokami Kagura).

  2. The Beginning of the Story: The Tragedy of the Kamado Family

  The story begins in the mountains. Young Tanjiro Kamado lives a modest but happy life with his mother, brothers, and sisters, selling charcoal.

  One day, Tanjiro is delayed in town until nightfall, and returning home the next morning, he finds his entire family brutally murdered. The only survivor is his younger sister Nezuko, but her wounds are poisoned with Muzan's blood, and she turns into a demon.

  When Nezuko attacks Tanjiro in a frenzy, Giyu Tomioka (the Water Hashira) appears. He intends to behead Nezuko, but sees something incredible: contrary to demonic instinct, Nezuko protects her brother, while Tanjiro demonstrates selflessness and tactical wit. Giyu spares their lives and directs Tanjiro to his teacher—Sakonji Urokodaki.

  3. Training, Final Selection, and First Friends

  * Training under Urokodaki: Tanjiro trains in the mountains for two years, mastering Water Breathing. Urokodaki instills a hypnosis in Nezuko: to perceive all humans as her family and demons as enemies.

  * Final Selection: On Mount Fujikasane, Tanjiro defeats the gruesome Hand Demon and passes the exam. There he also meets other future comrades: Zenitsu Agatsuma, Inosuke Hashibira, Genya Shinazugawa, and Kanao Tsuyuri.

  * The Journey Begins: Tanjiro receives a Nichirin Blade (which turns a rare pitch black) and a wooden box in which Nezuko is hidden from sunlight.

  * Formation of the Trio: On his first missions, Tanjiro grows close to the panicking yet deadly-in-his-sleep Zenitsu and the wild, indomitable Inosuke.

  4. The Butterfly Estate: Treatment, Recovery, and Training

  After a grueling battle on Mount Natagumo against the Lower Rank Rui and his spider "family," Tanjiro, Zenitsu, and Inosuke sustain severe injuries, fractures, and poisonings. They are taken to the Butterfly Estate.

  What is the Butterfly Estate?

  This is the primary medical and rehabilitation center of the Demon Slayer Corps, managed by Shinobu Kocho (the Insect Hashira).

  * Functions of the Estate: Slayers' physical and mental traumas are treated here, poisons against demons and wisteria-based medicines are manufactured, and rehabilitation training is conducted.

  * Residents of the Estate: Besides Shinobu, Kanao Tsuyuri (her successor/Tsuguko), orphans Aoi, Sumi, Kiyo, and Naho live here and help care for the wounded.

  * Total Concentration Breathing (Constant State): At the Butterfly Estate, Tanjiro, Zenitsu, and Inosuke undergo a rigorous recovery course and master the technique of maintaining total concentration breathing 24 hours a day (even in their sleep), which drastically increases their combat power.

  5. Major Story Arcs and Escalation of the War

  1. The Mugen Train

  Tanjiro and his friends, alongside Flame Hashira Kyojuro Rengoku, investigate disappearances aboard a train. They defeat Lower Rank 1, Enmu. Rengoku successfully protects all the passengers and secures everyone's safety through the mission, cementing his legendary status among the corps.

  2. Entertainment District

  Tanjiro, Zenitsu, and Inosuke travel with Sound Hashira Tengen Uzui to the Yoshiwara pleasure district. There they clash with Daki and Gyutaro (Upper Rank 6). In an extremely fierce battle where the heroes push their limits, the slayers defeat an Upper Rank for the first time in 100 years. Tengen loses a hand and an eye and retires.

  3. Swordsmith Village

  Tanjiro travels to the secret swordsmith village for a new blade. The village is attacked by Gyokko (Upper Rank 5) and Hantengu (Upper Rank 4).

  * In battle, Mist Hashira Muichiro Tokito and Love Hashira Mitsuri Kanroji, alongside Tanjiro and Genya, achieve victory.

  * The Major Twist: During sunrise, Nezuko finds herself out in the open sunlight and... does not burn. She becomes the first demon to conquer the sun. Muzan learns of this and changes all his plans: he no longer needs the Spider Lily; he only needs to consume Nezuko.