The Ennetsu Saint was a saint of Athena in the XX Century.
He was an orphan (homeless), and would be condemned to death, but Gigas adopted him (because he is oprhan) and trained him to became a saint. He concluded his training (loyal to Gigas) when gets his cloth in first place in a competition to decide which men thrown in a hole (with fire in the bottom) catch the cloth first.
He was sent to gets the helmet of Sagittarius Cloth. Shun tries to fight with him, but he burns all the forest and the house when Saori were; he defeats Shun, but Ikki revives, and uses his Phoenix Houou Genma Ken, and falls in the abyss.