Helios (Greek: Ἥλιος) was the Titan God of the Sun and Guardian of Oaths. He is a major background character God of War: Chains of Olympus, a major antagonist in God of War III and a minor but key character in God of War: Ragnarök: Valhalla. Helios was one of the strongest Gods within the lands of Greece, since he is the sun itself. He is the son of Hyperion and Theia, being only surpassed by Poseidon, Hades, Zeus and Ares.