10 Anime Underdogs Who Became Overpowered by Pure Chance

Anime is full of heroes who earn their strength through grueling training, but some protagonists stumble into godlike power through sheer luck. This list from CBR highlights 10 such underdogs, each transformed by a twist of fate that rewrites their destiny. From a bullied teenager who inherits a demonic power to a salaryman reincarnated as a slime with cheat abilities, these characters go from zero to unstoppable almost overnight. The piece examines how these random events—a cursed object, a scientific accident, or a divine mistake—create compelling narratives about responsibility and unintended consequences. It matters because these stories tap into a universal fantasy: that anyone, no matter how ordinary, could suddenly become extraordinary. The curated list spans classic and modern series, offering both nostalgic favorites and fresh picks for viewers seeking that satisfying underdog-to-overlord arc. Whether you're a longtime fan or new to the genre, these chance-fueled power-ups are a reminder that in anime, destiny can be just one bizarre incident away.