Henkyougurashi no Maou, Tensei shite Saikyou no Majutsushi ni Naru Anime Details and Episodes There was a mage called "The Lone Demon King" at the frontier. He was just a creature that never grew old, but he was loved by the villagers as something… Series info · Watch free · Trending anime · Airing schedule FormatNovelStatusAiringSourceOriginalCountryJapan Action · Adventure · Comedy · Fantasy · Romance Henkyougurashi no Maou, Tensei shite Saikyou no Majutsushi ni Naru (Adaptation) A Wild Last Boss Appeared!