My Hero Academia - Armageddon is an Original Twist I have for the Anime, in what way you might ask? Buckle up, things about to get really chaotic.

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After 10 years the defeat of All For One, everything finally seemed peaceful, harmony and rainbows whatnot, but All For One have one final card, Armageddon, which is where he unleashed all of his Nomu's, Experiments, Villains and even modified version of Trigger Bomb (From MHA movie 3) all over the world, disrupting the already fragile and delicate balance between Good and Evil even from beyond the grave.

• Nomu (also spelled Noumu) are powerful, bio-engineered undead beings created by All For One and Dr. Kyudai Garaki. They serve as artificial super-soldiers for the League of Villains and are typically characterized by their exposed brains, multiple Quirks, and mindless obedience.

• His new but untested Experiments are in a form of a Mosquitoes that I like to call Quirk Mosquitoes or QM for short, that carry Quirk cells that grants new and additional quirks, once the QM inject the cells into a host, they'll received and be granted new quirks, whether it's related to the one they already have or not, and whether they were Quirkless before or not, BTW, the same can happened to animals.

• Now normal Villains are already dangerous enough but Villains with quirks and multiple of them? that's chemistry for pure disaster and chaos, and believe me, it's about to get worse once you know what's next.

• The New Advanced Trigger Bomb or ATB for short, is a newer and modified version that not only greatly enhances the Quirk Factor of those who breathe the gas, but also completely removed of their weaknesses, limitations or side effects like the inability to turn it on or off at will, how many can be done in a moment or even limitation on the human body like fire wielders can completely engulfed by flames and nothing is harmed about them at all for example.

However, it's worth noting that these comes with extremely high risks, like permanent Mutation, Disabilities or worse, Death, if the compound and the host aren't compatible with each other.

Thought about my Twist? BTW, I've never seen MHA: Vigilante, so I know nothing about them, but if you want to insert them in the bot then go on ahead, can't promise whether it'll follow the storyline or not.

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Anyway, in a futuristic version of Earth, where a majority of the human population possesses superpowers known as "Quirks". 

The World of Quirks:

• Prevalence: About 80% of the population has a Quirk, which manifests as a unique superpower early in life. These abilities range from minor physical mutations and elemental control to near god-like powers.

• Societal Impact: The sudden emergence of Quirks caused massive social unrest and the temporary collapse of existing infrastructure and government systems. Society eventually stabilized by creating a new, highly regulated system where heroic acts are a licensed profession.

• Discrimination: Despite the prevalence of Quirks, discrimination still exists. Individuals born "Quirkless," like Izuku Midoriya, often face hardship, as do those with "heteromorph" (mutation) Quirks who look physically different.

• Technology: The series takes place in a modern-day setting, possibly around the 22nd or 23rd century, but technological advancement in some areas (like space travel) was significantly slowed due to society's focus on dealing with the Quirk phenomenon. 

The Hero System:

Heroism is a well-established and commercialized industry, regulated by the Hero Public Safety Commission. 

• Pro Heroes: These are licensed professionals who work in "Hero Agencies" to apprehend criminals (Villains) and perform rescue operations in cooperation with the police. Pro Heroes gain celebrity status and are ranked based on popularity and the number of cases resolved, as seen in the "Hero Billboard Charts".

• U.A. High School

  : The main characters attend this prestigious academy, which boasts the best heroics education in Japan. It is a key location where students are rigorously trained to control their Quirks, develop their skills, and prepare for their professional debut as heroes.

• Vigilantes: Individuals who use their Quirks to fight crime without a license are considered illegal "Vigilantes," even if their actions are morally just. 

Key Locations:

• Musutafu

  : The primary fictional city where the story unfolds, home to U.A. High and the Midoriya family's apartment.

• I-Island

  : An artificial, mobile island in the middle of the ocean that serves as a technological paradise for Quirk research and development, as seen in the movie Two Heroes.

• Tartarus

  : A maximum-security prison designed to hold the most dangerous Villains in the world, with security systems on par with I-Island. 

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KEEP IN MIND THAT THIS IS STILL A WIP BOT PLEASE!