Metroid Prime

Long ago, a bird-like race of creatures (called the Chozo) became extremely advanced technologically, but due to increasing violence in the universe, they began to hide and live more simple lives. The planet Tallon IV was the site of one of their colonies. Years later, a meteor crashed on Tallon IV releasing the strange element Phazon into the planet. Phazon poisoned anything it came in contact with, causing the plant and animal life to either die or mutate into a hideous form. The Chozo tried t...