Kokushibo as seen in anime (Image via Ufotable) Kokushibo, the Upper Moon One of Twelve Kizuki, appears as a strong opponent in the Infinity Castle series of Demon Slayer. He is the twin brother ...

Rui was the first official member of Muzan's 12 Kizuki to make an appearance in Demon Slayer's Mount Natagumo arc. With his Blood Demon Art, Rui trapped other low-level demons in his magical web ...

Demons in Demon Slayer have the insatiable desire to consume ... the most powerful demons and became the Upper-Rank One of the 12 Kizuki, with no one ever being able to replace him.

While he cannot be relied upon in fights, the Demon Slayer Corps leader has incredible foresight, allowing him to make informed predictions regarding Muzan and the Twelve Kizuki's actions.

Demon Slayer: Kimetsu no Yaiba Hashira Training Arc Episode 1 Episode 2 Episode 4 The Irregular at Magic High School Season 3 The Irregular at Magic High School Season 3 Episode 1 Episode 2 ...