When shrouded figures invade Sanctuary, Seiya races to stop them. He's shocked to recognize the invaders as friends and comrades who fell in battle. Now denizens of the underworld, the former Gold Knights have become Specters, grim warriors of Hades. They've pledged themselves to Hades - and vowed to take Athena's head! And the Specter horde is led by none other than Aries Shion, the long-ago Master of Sanctuary!