Tanjiro appeared to be mindless, like most initially are following their transformation. He acted like a feral beast, attacking anyone in sight without any hesitation. He obtains red eyes with slit pupils, fangs and flame-shaped marks over his left forehead and right jaw Tanjiro is a young man of average height with fairly tanned skin and an athletic, muscular physique. He has ruffled, black hair with burgundy tips, combed back to expose his forehead. His blood demon art is Biokinesis