Saint Seiya: The Hades Chapter - Inferno is a oVA anime that premiered in winter 2005.

About the production: the story comes from a manga, there are 12 episodes of about 30 minutes and its current status is "finished".

Its main genres are action, adventure, fantasy and sci-fi, with themes such as Shounen, Mythology, War and Super Power.

On AniList, Saint Seiya: The Hades Chapter - Inferno has an average score of 74%, a good score, and appears on 10,714 users' lists.

The franchise continues in or follows from: Saint Seiya: Meiou Hades Juuni Kyuu-hen and Saint Seiya: Meiou Hades Elysion-hen.

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)

Official synopsis from AniList.