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. Webdive deep into the fascinating world of demon slayer as we explore the mysterious past and intriguing motivations of muzan kibutsuji, the series' main. Webas the demon king, the first and the progenitor of his kind, muzan is the strongest demon in existence. Even after dissolving a drug that was supposed to weaken his powers and. Webmuzan was born in japan's heian era, to a constant struggle to survive on account of his frailty. His heart stopped multiple times in his mother's womb, and when he first entered. Webthe original demon, and therefore the demon king, muzan's reign of terror in japan lasted for 1,000 years leading into demon slayer's story. Nearly immortal in every. 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.
