Aegir fails to defeat Genbu by himself and the Primary Pallasite Hyperion lends his own sword to assist him. Overwhelmed by the massive Cosmo flowing from the sword, the Gold Saint decides to forfeit his own life in an attempt to destroy it.

Koga's party departs to the palace through the secret passage shown by Celeris. However, worried about him, Subaru returns to assist the Equuleus Saint, and can do little to stop him from sacrificing himself to defeat Hati. Before passing away, Celeris entrusts the damaged Equuleus Clothstone to Subaru, and upon rejoining his fellow Bronze Saints, Subaru unlocks its true power to protect them, becoming a Bronze Saint as well.

After a long and vicious battle, Kouga and his friends convince Saturn to recognize the value of mankind as he regains his lost memories from when he fought by their side as Subaru. The God of Time then takes his leave and while the efforts to rebuild the Sanctuary and Pallasvelda begin, Kouga and Eden embark on a journey together to find their own place in the world as a new era unfolds.