Kimetsu no Yaiba Manga: Top Villains That Defined the Story Kimetsu no Yaiba (Demon Slayer) is a series full of incredible characters, and its villains are no exception. The demons in the manga aren't just evil for the sake of being evil; many have complex backstories that provide depth to their motivations. The top villains in Kimetsu no Yaiba are as memorable as they are terrifying, and they...