Knowing of Aria's whereabouts, the Bronze Saints set off to invade the final ruins, followed by Shaina, who joins them. Before parting, Shaina reveals to Köga the secret of his origin, as well as Aria's. Inside the ruins, the Bronze Saints face the threat of powerful Silver Saints, while Köga engages Eden in a rematch to free Aria. Shaina takes Aria and with her help, they are able to vanquish Mars' dominion over the area, Eden taking the Thunder Cosmo Crystal resembling the Orion...