Ω is a descendant of saint seiya (known as SS), who fought Hades for about 15 years (at least 14 years). It is not clear whether this world view considers the story of heaven or ND (a version of the myth of hades), but it is certain that ω is the successor of SS.

SS→ω

Galactic War → Pope Assassin → Golden Zodiac → (TV Nordic) → Neptune → Hades → The Battle of Five Xiaoqiang against Mars and the Landing of Koga and Elijah on the Earth → The Establishment of Saint Sect → Xiao Qiang Jr. assembled and grew up against Mars ...

There are only 32 episodes in the catalogue for the time being. I can give them to you when they are all out.