The story takes place the original Saint Seiya . It focuses on the previous Holy War—the cyclical, brutal conflict between the Goddess Athena and the God of the Underworld, Hades.
But fate is cruel. Alone is chosen as the host vessel for the soul of Hades. The kind boy who wanted to paint a world without suffering becomes the Emperor of the Underworld, vowing to purge humanity by giving everyone the "eternal peace" of death. saint seiya - the lost canvas
If you have ever wished for a mature, emotional, visually stunning, and narratively tight story set in the universe of the Saints, this is the hidden gem you need to put at the top of your watch/read list. Released in 2006 as a manga by Shiori Teshirogi (with story oversight by original creator Masami Kurumada), The Lost Canvas is a prequel. But forget what you know about prequels that feel like unnecessary filler. The story takes place the original Saint Seiya