Oblivion

Once upon a time, there was a being of supreme power. This being had more power than Chaos and her brothers. When said being tried to destroy the Universe, the Primordials, Chaos, Order, and Void, only just stopped him. For many eons he has slumbered, far away hidden and locked up in the Void. But something happens, There is no hope. For he is... Oblivion. Dark!Percy