Heroic Age(2007)

Heroic Age is a science fiction anime series set in a cosmos where four sentient races were invited by the godlike Golden Race to join them among the stars. Humans, named the Iron Tribe, arrived last and alone, earning contempt from the superior Bronze, Silver, and Heroic races. As humanity faces extinction under relentless oppression, Princess Deianeira embarks on a desperate quest to find a legendary savior foretold in an ancient prophecy. On an abandoned planet, she discovers a wild-haired boy whose mysterious power may hold the key to humanity's survival. Their meeting ignites a chain of events that will reshape not only the fate of mankind, but the entire universe itself.