Gyomei is a hulking figure among the Demon Slayers. He is one of the tallest characters in the series, easily towering over his fellow Hashira. He is powerfully built and extremely muscular. He has spiky black hair and a prominent scar running horizontally across his forehead. Gyomei is very religious, often seen offering prayers to people and situations which sadden him. He is gentle and highly emotional, frequently tearing up in all sorts of situations.