Kyoko's Cosmo disappeared in the battle at Eris' temple. Saori's heart wavers as she questions her existence from not being able to save Kyoko in defeating the evil god. However, with Saori inheriting Mitsumasa Kido's will, the Galaxian Wars start without mercy. On the other hand, Shoko who was in the hospital had been depressed from Saori telling her goodbye, and she drops the pendant of Pegasus given to her by her sister. The boy who caught it for her was Pegasus Seiya who was entering the Galaxian Wars.

Aphrodite of Pisces takes Athena to the Sanctuary by order of the Grand Master, where both will meet face to face. What secret does the Grand Master hide behind his tears? Meanwhile, Mayura has detected that the remains of Eris are producing an effect that could be catastrophic.

Can you defeat your sister who has fused with the evil god? With Mu's question, Shoko agonizes over the fate she bears. That's when Orion Rigel, the Ghost of an ex-Silver Saint, stands before Shoko. From Rigel's sad eyes that once shared a past with Kyoko during Saint years, Shoko senses his true feelings and - Mii vs. Emony, Aiolia vs. Saga, the individual battles within the Temple of Eris begins.

Finally, Shoko faces the evil god Eris. As Saori's Cosmo grows weaker, all of the Saintias-Shoko, Mii, Xiaoling, Katya, and Erda-put their hearts together to challenge Eris. The Gold Saints continue to protect the Sanctuary as they find out Eris' plan of crashing the temple into it. Aiolia and Milo, who face Saga in a deadly battle, plans to destroy the temple, however - A raging destiny encircles the Saintias, Gold Saints, evil god Eris, and Saori Kido. The final battle begins.