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.
Webthe main antagonist of the series.
Muzan is the first demon and progenitor of all of the other demons.
A selfish, narcissistic tyrant, he has no compassion or sympathy for the.
Webmuzan kibutsuji is the antagonist in demon slayer and stands as the ultimate embodiment of evil, casting a long and dark shadow over the entire series' narrative.
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.