Goddess! Gamble with Life
In Cociytos, Seiya is hit by Valentine but doesn't let go of Athena’s armor. Source: crunchyroll
Aired 19/01/2007EP 9 - Goddess! Gamble with Life
2005
Saint Seiya: The Hades Chapter - Inferno
Seiya and the rest of the Bronze and Gold Saints who have survived the Sanctuary battle have entered the world of the Dead. They are fighting to get to Hades and defeat him.
(Source: Anime News Network)