As the Creator wanted peace, beauty and light, Darkness craved black, hurt and anger.
Each left the other alone. That truce stayed in place for millennia. Then the Age of Zur, Nui, and Heram came. Heram was the first human to feel greed. He wanted more than peace and happiness. Power was the possession Heram sought. For the first time, Darkness sensed a chance to corrupt the world; It reached out and touched the mind of one of the Creators much-vaunted fourteen Guardians.
Queen Zur, a former Eastern Queen and Guardian, did not realize she had been touched, and was being guided from below.