Webin the final battle against kibutsuji muzan, the demon king turns tanjiro into a demon. This shocking event happens in chapter 203, voices of encouragement. Webtanjiro is left blind in one eye and unable to feel his arm below the elbow, rendering his left hand useless. Kanao also suffered injuries to her eyes, reducing her. Webtanjiro becomes a demon in chapter 201 of the demon slayer manga after his battle with muzan. Becoming a demon is relatively easy in the series, with muzan. Webfollowing an encounter with giyu tomioka, the water hashira of the demon slayer corps, tanjiro is sent to train with giyu's former instructor sakonji urokodaki in becoming a. Webtanjiro's transformation into the demon king showcases the internal battle of good versus evil & redemption. The change affects tanjiro's relationships with loved. Webthe demon slayer manga finished after 205 chapters in may 2020. Fans were sad to say goodbye, but the finale offered a glimpse into the hopeful future that tanjiro. Webover the course of demon slayer, tanjiro acquires a vast array of powers that help him in his numerous battles. But what, exactly, can the young demon hunter.