Webmuzan appeared at the ubuyashiki mansion, having been able to locate it thanks to the demon nakime, who used tiny little eyeball demons to spy on the demon. Webthe condition stems from muzan kibutsuji, the originator of demons. It emerged from muzan's blood ties to the ubuyashiki clan, bringing about a genetic. Webunfortunately, the family line has endured a mysterious curse that cut short the lives of all ubuyashiki members before adulthood. Generation after generation, this inexplicable. Webthe demon slayer season 4 finale sees kagaya sacrificing his family to kill muzan. The cursed ubuyashiki family has kiriya, with black hair, succeeding as the 98th leader. Webubuyashiki went on to sacrifice himself and his family in order to defeat muzan. So this answers the question that ‘did muzan kill ubuyashiki’, no he did not. Webkagaya ubuyashiki's existence was one of the mysteries of the series, especially as the leader of the hashiras and demon slayers, given that his appearance. Webthe ubuyashiki family maintained a secret hideout known only to a select few trusted members of the demon slayer corps. This hideout served as a sanctuary where the. Webmuzan pacing himself slowly towards kagaya ubuyashiki suddenly brought in massive amounts of tension. Dragging out that scene only improved the suspense. Webhowever, before he can do any harm to the family, ubuyashiki sacrifices himself and his family by having his own house explode and setting it on fire.
