Rygar: The Legendary Adventure

Rygar is about to receive a wreath from Princess Harmonia in a ceremony for a victorious naval battle, when Titans suddenly attack led by Echidna. After she and Icarus capture Harmonia, Echidna has the Minotaur dispose of Rygar with a pit torn open in the ground. Surviving the encounter, Rygar finds the Diskarmor, a legendary shield of the gods and is given task to stop the Titans in order to rescue Harmonia and bring peace to Argus. (wiki)