Seiken Gakuin no Maken Tsukaimain character. The Undead King and Strongest of the Dark Lords, Leonis awakens in the body of a ten-year-oldchildone thousand years in the future. With the help ofRiselia Ray Crystalia(whom he andRegina Mercedesaffectionally call "Selia"), Leonis begins adjusting to his new life but Leonis also has plans of his own, including fulfilling the wish of his benefactor, the Goddess of Rebellion.