Webseeking revenge for the murder of his family while also looking to save his sister, tanjiro joins the demon slayer corps as they try to eradicate demons led by. Webthe tragedy shocked yoriichi so much that he held her corpse in his arms for ten days straight and buried them after a pursuing demon slayer encouraged him to do so. Webfeaturing an obsidian black blade that turns fiery red during battle, the sun breathing sword has immense power. Combining the sword’s strength with yoriichi’s. Webas it happened, yoriichi was banished from the demon slayer corps because he failed to kill kibutsuji muzan and kokushibo, who was responsible for the. Webyoriichi tsugikuni is, indeed, dead in demon slayer. Although he was, as a bearer of the demon slayer mark, supposed to die at the age of 25, he nevertheless. Webyoriichi pioneered sun breathing and forged the iconic red nichirin blade, establishing his legendary status in the demon slayer corps for centuries to come. Websoon enough, the readers come to know that michikatsu betrayed the demon slaying corps and even murdered the then oyakata. As a form of penance, his comrades. In this extended deep dive, we‘ll explore yoriichi‘s.