A quick rough sketch.
Long ago, Eres was struck from her throne by her elder brother, Juros. She fell from the heavens as a falling star, never to be seen from again. The time that followed was known as the dark ages, and lasted for a thousand years.
Eden, the world of Eres, is a monodeital realm. Meaning only one God or goddess can be in power at a time. Traditionally, that power is passed on to a successor. However, because Juros took the throne by force, the power was never passed on, and Eres' power over the world became cut.
Over the years following, Eres granted her strength to beings to be known as heroes of each generation. Each learning little by little of where Eres may be. However, no new heroes have emerged in the last one hundred years, and it has been assumed that their goddess may never return...