Swordsmith village arc ended its run with season 3 by fleshing out the bits of muzan's origin story that appeared during this arc of the manga. Webthe show’s storyline is a classic tale of good versus evil, where the heroes in the demon slayer corp fight against their ultimate nemesis, muzan kibutsuji. 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 kibutsuji became the first demon in demon slayer after ingesting medicine made from the blue spider lily flower that was mixed with the blood of his. Webthus, the demon muzan, the first of his kind, was born. He quickly realized that consuming human flesh could help him survive, leading to his early murders in 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. Weba progenitor of all demons in existense, muzan's reign of terror began in heian era, lasting for a thousand years. During this time, his goal was to become. Born with a rare illness in the heian era (900 ac), muzan was a noble with a weak physique. He tried everything he could in order to gain a semblance. How did muzan become a demon? If he is the progenitor of all demons, who turned him into a demon? This article discusses the origin.
