Saint Seiya The Lost Canvas
聖闘士星矢 THE LOST CANVAS 冥王神話 (original)
An orphan known as Tenma becomes one of Athena's 88 warriors known as Saints and finds himself in a war fighting against his best friend Alone who is revealed to be the reincarnation of Athena's biggest enemy, the God Hades.
Starring Hiro Shimono, Aya Hirano, Sanae Kobayashi, Tetsuya Kakihara, Atsushi Abe
Watch "Saint Seiya The Lost Canvas" on Tubi TV released in 2009. It's a animation and action & adventure show, and has a rating of 8.2 out of 10 from Imdb which is very high for this kind of show, and is currently available to watch for free.