In the world of Percy Jackson, the gods and goddesses of ancient Greece still exist and interact with the modern world. This story delves into a new god, unique and powerful, born from the union of Ouranos, the primordial god of the sky, and Thalassa, the primordial goddess of the sea. His name is Aeon, a deity who encompasses the vast realms of the sky, the sea, time, space, reality, mind, souls, life, and death, as well as creation and destruction. He holds a complex relationship with two prominent goddesses, Athena and Demeter, being married to both.