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 ...

Demon King, Muzan Kibutsuji (Image via Ufotable ... Upper Rank one demon, Kokushibo is one of those Demon Slayer characters who would not only be a great addition as a Hunter but also dominate.

Many fans consider Yoriichi to be the best of the best in Demon Slayer, but is there anyone in the series who surpassed him?

Demon Slayer is a series that would be looked ... Yorichi's only failure is his not killing Muzan and Kokushibo (Image via Ufotable) Yoriichi not killing Muzan and Kokushibo is one of the reasons ...