(オリオン星座（オリオン）のエデン Orion no Eden) Voiced by: Junichi Suwabe
An enigmatic young man, the Orion Saint in the future era. Eden is 15 years old. Mysterious and distant, Eden believes in the dominance of the strong and disregards the weak, putting his faith in his own strength. Unlike in Kurumada's mythos, in which the Orion Saint belongs to the Silver Saint ranks, in Omega, the Orion Saint is ranked as a Bronze Saint. He is later revealed to be Mars' son and Sonia's younger brother, Eden defeats Koga in a battle of strength taking Aria back to Mars and is later shown heartbroken at Aria's death at the hands of his own father Mars. Eden commands the element of Thunder.
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