Webdemon slayer's story begins with the murder of the kamado family while tanjiro is away, leaving both his mother dead and his little sister nezuko turned into a. Webthe battle between tanjiro and the swamp demon sees the demon slayer faltering on water breathing moves before plunging into the swamp dimension. 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. Webthe spider family of demon slayers: Kimetsu no yaiba is one of the most powerful and noteworthy groups of demons that was showcased in the mount. Webthe members of demon slayer's spider family have some of the series' saddest backstories. Here's a closer look at their origins. Webthe kamado family lineage powers tanjiro and nezuko's determination to defeat muzan.
