Undoubtedly one of the most popular anime right now, Demon Slayer maintains a standard in variety, especially when it comes to characters. Drawing the focus more so over the demons in the series ...

The Twelve Kizuki from Demon Slayer was a rank given to demons Muzan hand-picked himself. Among them, the ranking was further divided into the Upper Moon and the Lower Moon based on the power level.

The Demon Slayer: Mugen Train Arc movie was first released ... to their limit and introduced anime-only fans to the Upper Moon demons (in this case Akaza), with devastating consequences.