Oracle - Sunken Earth (Vol. 1) by C.W. Trisef

Ret Cooper is a simple young man with mysterious origins, unique physical features, and no memory of his past. His new family and friends discover he is truly extraordinary, with supernatural powers and strange scars on the palms of his hands. But what is his destiny? The Oracle is the key to Earth's unity and full potential, too perfect to be man-made. Legend claims it can unleash limitless power when filled with Mother Nature's six, pure, original elements. But where are these elements? And which of our planet's ancient secrets will be explained in the process of locating them?