Thirteen is a Pro Hero who specialises in search and rescue, and a faculty member of U.A. High School. Thirteen is a wise, well-mannered woman. As a rescue hero, Thirteen has displayed how passionate they are about saving people through their teachings. She even developed her own training facility - the Unforeseen Simulation Joint - to train future heroes in search and rescue tactics. She is very passionate about Quirks, specifically Quirks used for creation and assistance rather than for destruction and battle.