Saint Seiya: Legend of Sanctuary

Saint Seiya: Legend of Sanctuary (聖闘士星矢 レジェンド・オブ・サンクチュアリ Seinto Seiya Rejendo Obu Sankuchuari), is a 2014 Japanese CG animated fantasy martial arts action film produced by Toei Animation. It is the sixth film based on the series.

Plot
Saga of Geminis betrays Athena and tries to kill her when she is a baby but Aiorios saves the baby in exchange for his life, before dying, Aioros while he is dying is found by a traveler, who turns out to be billionaire Mitsumasa Kido, Aioros explains the story and that the baby is Athena and must protect her from the sanctuary at all costs. Mitsumasa breeds Athena as her own daughter and calls her Saori, in addition to investigating the history of the Knights of Athena, and entrusts 5 young men to train to obtain the armor and protect Athena.

In the sanctuary Aioros is considered a traitor and Saga mentions that the baby that Aioros took away was an impostor and that the real Athena still exists in the sanctuary but no one can see her, but because it is an offense they must kill the impostor, when Saori fulfills 16 years, the Sanctuary sends several murderers, among them the brother of Aioros, the Gold Knight Aioria of Leo, Aioria to defeat the 5 bronze knights who protected Saori, manages to feel that the cosmos of Saori is that of Athena, and he decides to betray the sanctuary, confronts Saga, but Saga uses the Demonic Ghost Fist technique to control Aioria's mind, and now Seiya must defeat Aioria to free him.