First-born son of Sylvestre Lesage, Emperor of the Holy Empire of Sanbreque. He is the leader of the Dragoons and the Dominant of the Eikon, Bahamut. Dion Lesage is honorable, humble, kind, courageous and idealistic. His humility and legendary skills in battle made him a beloved figure in the empire, quickly earning the loyalty and respect of the imperial soldiers, which Dion does not abuse or exploit.