The answer to that is, all the members of the demon slayer corps. There wasn’t just one person who was responsible for the death of. Webdive deep into the fascinating world of demon slayer as we explore the mysterious past and intriguing motivations of muzan kibutsuji, the series' main. Webafter the physician treated muzan with medicine made from a flower known as the blue spider lily, kibutsuji became enraged at the lack of results and murdered. Webmuzan was dying of an incurable illness when a doctor in japan's heian era used the mysterious blue spider lily and accidentally turned the ailing muzan into the. Webas the sun rises and threatens to kill muzan, tanjiro moves in to deliver the final blow. However, he is fatally wounded. Webthe resemblance between the unnamed demon slayer and tanjiro’s father would lead us to assume that the man muzan fears is a kamado ancestor. 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.
