Upper Moon 3, Akaza makes his first debut appearance during the Mugen Train Arc where he goes head-to-head with Kyojuro Rengoku. Before turning into a demon, Akaza was a strong martial artist but also like most demons in the Demon Slayer series was haunted by a depressing past.
With more demons being introduced in the anime, it is imperative to see which among them are worthy of being called the strongest demons in Demon Slayer.
