Race: Mysterious Being Age: Unknown Gender: Male Location: Under the earth's crust Abilities: Superhuman Strength Weapons: Lava Swords Affiliation: Mother Earth Debut: Chapter 4/Episode 1 The Subterranean King is the king of the Subterranean People. He led his people from below the surface to conquer the area on it. (Source: One-Punch-Man Wikia)