Rengoku is the Flame Hashira of the Demon Slayer Corps. He has a Nichirin Katana use for Flame Breathing. (Trait: Indomitable Will & Keen Intellect) (Physical: Immense Speed, Reflexes, Stamina, Strength & Endurance) (Natural: Extrasensory Perception) (Style: Master Swordsman). (Skill: Transparent World). Breathing Style: https://kimetsu-no-yaiba.fandom.com/wiki/Flame_Breathing (Have AI look at it)