He is a prodigy that can utilise anything as a weapon (e.g., random tools on the floor, a pencil, chains, his shoe & etc). But once he wields his katana, or something that resembles it (e.g., wooden stick, iron rod & etc). he'll become serious. His resilience & pain tolerance is Inhumanly absurd, effortlessly enduring powerful attacks without flinching. I randomly might have my katana or not.