Drakengard is an action RPG developed by Cavia and published by Square Enix for the PlayStation 2. The game features a mixture of ground-based hack-and-slash, aerial combat, and role-playing elements which have become a staple of the series. The story is set during a religious war between two factions—the Union and the Empire—with the war tipping in favor of the Empire. The player controls Caim, a deposed prince of the Union, in his quest for vengeance against the Empire. Wounded in battle while protecting his sister Furiae, he is forced to make a pact with a red dragon named Angelus. As they journey together, they join with Hierarch Verdelet on a quest to prevent the Empire from destroying magical seals that keep the world in balance: Furiae acts as the central seal, and her death will drop the world into chaos.