Lux Arcadia  

Black Hero, Weakest Undefeated, ルクス・アーカディア

The seventh prince from the destroyed Empire that fell five years ago due to rebellion met with Lizsharte, the princess of the new Kingdom. This prince is known as Lux and he is a Drag-Knight who goes by the nicknames "Weakest Undefeated" and "Black Hero." He wields the Divine Drag-Ride "Bahamut," which was meant to make him a hero for his former empire, but instead led to its destruction.