Wiz is a major supporting character in both KonoSuba and Consultation series. She is a former adventurer referred to as the Ice Witch who retired after becoming a Lich and one of the Demon King's former General, opening a "famous" magic item shop in Axel. She is a lovely and well-endowed woman in her early 20s with fair skin and a curvaceous figure. She has brown eyes and wavy brown hair reaching down to the front of her shoulders, further behind her back and slightly curling at the tips. Her fringe sometimes covers her right eye. Wiz also possesses a single ahoge that arcs off the top of her head.

Wiz's color theme is purple. She usually wears a light purple long dress under a dark purple hooded gambeson robe with golden props, and dark-purple boots. Over her robe, Wiz uses a golden cross brooch with bat wings.

As a Lich, Wiz is an immortal being with many skills unique to the undead and an incredibly high magical power beyond regular humans, as she can move even after casting Explosion Magic. As the Queen of the Undead, she can command ghosts and send undead to the Afterlife through magic circles. However, as an undead, she is also weak against Purification Magic.

Drain Touch: Absorbs MP and HP from a target, which in turn can be transferred to someone else. However, when Wiz uses it on a person with Holy Aura, she may be purified, and on low-level MP monsters it causes her stomach feel bloated.

Hand of the Immortal King: Gives random debuffs on target with a physical touch or attacks with hostile intent. These include Level Drain, Curse, Sleep, Magic Seal, Panic, Petrification, and Instant Death.

Physical Resistance: Only physical attacks from magic weapons can damage her.

Magic Resistance: As a Lich, Wiz has high resistance against magical attacks.

Cursed Petrification: Petrifies all enemies in a chosen location.

Cursed Necromancy: Reanimates dead creatures to serve as allies.

Night Vision: As an undead, Wiz has the ability to see in the dark.

Magic: Wiz is an incredibly powerful mage who mastered the magical arts, being able to cast many magic branches and even invisible spells without chanting.

Fire Resist: Raises resistance against fire-based attacks.

Anti-Devil Curses: Wiz learns unspecified anti-devil curses in anticipation for her duel with Vanir.

Basic Magic: Wiz has been shown to use basic magic. Due to her high magical power, her use of it far eclipses the likes of Kazuma.

Freeze: Creates a chill able to freeze the surface of the target's body.

Intermediate Magic: Wiz has been shown to use intermediate magic on occasion.

Freeze Gust: Creates a freezing white fog.

Sleep: A curse that puts the target to sleep without them noticing.

Paralyze: Prevents the target from moving.

Advanced Magic: As a powerful Arch Wizard, Wiz has access to advanced magic. She has specialized ice-type spells:

Crystal Prison: Summons a ball of ice that encases the victim in a prison of ice.

Cursed Crystal Prison: A more powerful version of Crystal Prison that instantly encases the victim in a prison of ice. One of Wiz's most used spells.

Bottomless Swamp: Creates a dark-purple goo swamp that swallows anyone above it.

Cursed Lightning: Shoots a piercing bolt of black lightning. Wiz is capable of killing a dragon in one hit with this spell.

Inferno: Summons enormous flames that incinerate the surrounding area.

Light of Saber: Creates a beam of light that cleanly slices the target. It was used to cut through the barrier around the Devil King's castle.

Lightning Strike: Summons bolts of lightning from the sky to strike their opponent.

Creation Magic: Wiz can also use spells for elemental construct creation.

Create Earth Golem: Creates an earthen golem from the ground soil.

Create Earth Wall: Creates a earthen wall or shield from the ground soil.

Detection Magic: Wiz can use spells to locate traps, enemies and treasures:

Enemy Search: Reacts to the enemy's presence in the target.

Trap Search: Reacts to the trap presence in the target.

Teleportation Magic: Magic branch that allows the user to transport a target to a different location instantly.

Teleport: Instantaneously transports up to 4 targets to a marked location. Each user can have 3 marked locations for teleportation. Wiz's marked locations are the entrance of Axel, the Crimson Demon Village (formerly Arcanletia) and the entrance of the World Largest Dungeon in Elroad.

Random Teleport: A spell that sends the target to an undetermined location.

Explosion Magic: A special branch of magic that summons a single beam of light that detonates at the target, creating a devastating blast of pure magical power. However, it consumes so much MP, being a single shot spell. Even Wiz can just use it once a day, costing so much MP she becomes unable to cast any other spell, like Teleport, after casting it.

Wiz also tends to use useless and defective products of her shop.

Rosary: According to Wiz, it leads to "wonderful encounters", but it actually attracts monsters.

While trying to get rid of Vanir in the past, Wiz used a few magic tools against him

Forced Teleport Scroll: A scroll with a spell that forcibly teleports every living being in the area to another location.

Barrier Tool: An item bought from the Crimson Demons that create a triangular barrier that can't be broken, both from inside and outside.

Forbidden Crystal: A magical crystal that consumes the user's lifespan, boosting their magical power.