Hades is a mythological deity and serves as the primary antagonist in the last story arc of Saint Seiya.    In the story, Hades is the ruler of the Underworld and old enemy of Athena. He wishes to wipe out humanity, turning the Earth into a desolate wasteland. He despises the human beings, who are each time more ungrateful towards the gods.     (Saint Seiya wiki)

In Greek mythology, Athena, the daughter of Zeus, was born in full armor. By birthright the goddess of battle, she did not believe in conquest, and only fought defensive wars. Her battles with bloodthirsty gods and giants shook the very earth and seemed to last forever. On the battlefield, there were a group of youths that always surrounded and protected the goddess: the Knights of Athena! Flash forward to modern-day Greece: two Japanese tourists are shocked to see a mansized meteorite crash to the earth before them. It turns out to be young Seiya. Seiya must train harder than ever if he is to survive his match with the brutal Cassios! Whoever wins will receive the greatest prize known to man: the incredibly powerful Pegasus Cloth!
 
(Source: Viz Media)
 
Note: The chapter count includes 247 regular chapters and 2 extra chapters ("SHAKA" and “The Cygnus Story - Natassia of the Land of Ice”), other editions merge chapters into a total of 110 chapters.

After the 12 Gold Saints sacrifice their lives to destroy the Wailing Wall, The Bronze Saints enter the deepest realm of the Underworld, Elysion, where they face off aganist Hades's two most powerful servants: The Twin Gods, Hypnos and Thanatos, before they can reach Hades for the final battle.

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Son of voice actor [Chikao Ootsuka](https://anilist.co/staff/95974/). In 2005, he married fellow voice actress [Youko Soumi](https://anilist.co/staff/95912/), but they divorced in 2009.

__Non-Anime Roles:__

- Heismay Noctule - Metaphor: ReFantazio (VG)
- Koichi Adachi - Yakuza: Like a Dragon (VG)

The sanctuary is exhausted after the battle against the Lord of Darkness Hades.
 
In the absence of Seiya and the others, the land was about to meet its end in the wrath of the goddess Nemesis!
 
At that moment, the Emperor of the Sea Poseidon awakens to Hades' call and, together with the Seven Marina Generals challenges Nemesis and their Heroic Souls who serve her in battle!