Weboriginally, the scar on tanjiro’s forehead was merely a burn he received from saving his brother from a falling brazier. But gradually, as tanjiro keeps gaining. Webafter tanjiro manages to defeat muzan in an epic battle, muzan transfers all his emotions into tanjiro and turns him into a demon. Now since he has lost his. Webafter months of hellish training and a gruesome exam, tanjiro joined the demon slayer corps hoping to meet powerful demons that could help him find a way to. Webnow that tanjiro has been researching the origins behind the hinokami kagura — the dance that his father performed during his childhood and the current. Webtanjiro received the scar during his childhood when he met with an accident. A kettle containing boiling tea was about to fall on his younger brother when tanjiro. Websince the manga's first chapter, tanjiro is depicted with a large reddish blotch above his right eye that was initially explained as a burn scar he got saving his little brother from a. Webas tanjiro began to learn more about the hinokami kagura from kyojuro rengoku's family with the start of the entertainment district arc, tanjiro discovered that. Webtanjiro wasn't born with this scar on his forehead. Rather, he acquired it when tackling his younger brother out of the way of a falling pot of boiling tea. The scene that tanjiro sees is of his ancestor sumiyoshi, who is aided by the legendary demon slayer (and sun breathing creator) yoriichi.