Webdelving into kibutsuji muzan's past reveals a web of darkness and trauma that shaped the enigmatic demon's psyche. Webas muzan transfers his blood and memories into tanjiro's dying body, he is able to successfully revive him as a demon, deeming him the king of demons he influences. Webdespite his fearsome reputation among slayers and demons alike, muzan had an illness that almost took his life in demon slayer, resulting in his intense fear of.

Contains spoilers for demon slayer's mangathe big villain of demon slayer, muzan kibutsuji, isn't just the mastermind behind a lot of the plots that the heroes try to. Webmuzan is the first demon and progenitor of all of the other demons. A selfish, narcissistic tyrant, he has no compassion or sympathy for the demons he creates, and will torture.