Eos
Greek Mythology
Eos is the goddess of dawn in Greek myth, and the sister of Helios (god of the sun)
In God of War: Chains of Olympus
Barely holding on after her brother's disappearance, which caused Morpheus to take over the Earth, Eos asked Kratos to find Helios, and tells him to find the Sun Shield. Kratos then speaks with Eos face to face in the Caves of Olympus. where she tells him to seek out Primordial Fire to help him in his quest.