Kokushibo is the second-strongest demon in existence, second only to the demon king himself, Muzan Kibutsuji. But, What if ...

Given its status as a shonen anime, it should come as little surprise that Demon Slayer revels in a power ranking system for both its heroes and villains. While the demon slayers have the Hashira to ...

Interestingly, there is one case where the villain defeated himself, which spoke volumes about that character's own arc.