Uzumaki Naruto Biography
Naruto Uzumaki spent his childhood being ignored by basically everyone, so naturally he responded by becoming one of the most powerful shinobi alive and eventually getting dragged into saving the entire world.
After mastering mountains of techniques, defeating increasingly ridiculous enemies, and becoming Hokage, Naruto apparently decided that regular transformations weren't dramatic enough. Enter Baryon Mode: an absurdly powerful last resort with an absolutely terrifying price tag.