Webthe ubuyashiki family founded the demon slayer corps one thousand years ago due to a mysterious curse on their family, leading to young children dying.
A priest revealed that.
Webwhy did ubuyashiki sacrifice his family in the penultimate episode of demon slayer season 4, muzan pays a visit to kagaya ubuyashiki, the head of the.
Webhe is suffering from a deadly illness, which is actually a curse inflicted on his family due to the family’s blood relation to muzan kibutsuji, the original demon.
Webhowever, the ubuyashiki family’s legacy is one of profound suffering, driven by an ancient curse that has haunted them for generations.
The ubuyashiki family is not just another clan in the series they are the cursed bloodline tasked with leading the.