The Upper Rank Demons are the most powerful demons to exist in the Demon Slayer series and are the most evil under Muzan.

A breathing style created after the sun breathing, learn how this was created in the world of Demon Slayer and its relation ...

In his most redeeming act, Akaza kills himself. Kokushibo's reflection indirectly leads to his death in Demon Slayer (Image via Ufotable) Kokushibo’s life concludes similarly. His death comes ...