Kokushibo's birth name was Michikatsu Tsugikuni and the twin brother of Yoriichi Tsugikuni, deemed as the most powerful demon slayer ever. Upon awakening his demon slayer mark, Michikatsu feared ...

Muzan Kibutsuji’s near-death encounter influenced his actions and decisions against the demon slayers, particularly Tanjiro Kamado and his family. After all, it was the only time in the history of the ...

Yoriichi Tsugikuni, the most powerful demon slayer, had unparalleled abilities and invented Sun Breathing. Yoriichi's Demon Slayer Mark and Transparent World prowess made him unbeatable in battle.