Filii lucis, the children of light. Two twins. Darkness and Light. Dusk and Dawn are their names. Together their power ruled over the earths and heavens. Then there was a day, when the hounds of darkness rebelled against their king, Dusk. Left wounded, his sister Dawn sought to revive him by giving him all the light power in her.
After his sister's sacrifice, Dusk is driven by nothing more than to keep his sisters light glowing in him. Although his darkness eats up whatever light is left off her. He seeks the sacred stones so that he could revive her once again and restore the balance to this universe.
Sister Dawn, you may be a fading light, but you will not be extinguished