Webthese mysterious marks bestow great power that comes at a price, and not every demon slayer can get one. Here's everything fans need to know about the demon slayer marks, explained. Webobanai iguro, the serpent hashira, awakened his demon slayer mark during the final battle against muzan. It enhances a demon slayer's skills and abilities on an entirely different level. Webin the manga, kokushibo's demon crests are actually his demon slayer mark, meaning that moon breathing does indeed have its own slayer mark. Webas the creator of breath of the sun and the only slayer to ever come close to killing muzan kibutsuji, yoriichi‘s skills and legacy have captivated fans for generations. Webthe trailer for demon slayer season 3, which will follow the swordsmith village arc, reveals that mitsuri kanroji will be playing a central role. Her appearances in the demon slayer anime have been brief so far, but she's a powerful and important warrior to the overall story. Webwhy does the demon slayer mark change? The key to this answer is tanjiro himself. The demon slayer mark can develop and resonate. Originally, the scar on tanjiro’s forehead was merely a burn he received from saving his brother from a.