Webthe hatred between muzan and ubuyashiki family runs deep, and they want to eliminate each other. However, kagaya reveals that muzan is a blood relative of the. Webmuzan kibutsuji is the main antagonist of the kimetsu no yaiba verse. He is pure evil, with a ruthless mission of eradicating humanity and turning humans into. Webironically, muzan’s brush with death was the catalyst for his transformation into a demon. Now immortal, he became consumed by the idea of maintaining his. Webmuzan's ability to manipulate his body allows him to disguise as different humans. Muzan uses his human forms to accumulate wealth and access restricted. Webas a result, muzan started to kill the two, three, four and six one by one, as they respectively were begging for muzan's blood, trying to flee, trying to deny muzan's. Webhe kills with impunity and is the incarnation of evil in the demon slayer world. Despite living for a thousand years, or perhaps because of it, muzan is. 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. 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 dying.
