This article contains spoilers, a piece of information that will be told to the player in the storyline of TERA: The Exiled Realm of Arborea. You are warned to take note that reading certain parts of this article might change your view on the story.
Kaia is the Goddess of the Amani and one of the daughters of Zuras and Saleron . She is the protector of Kaiator, and constantly fights to free the Amani from the influence of the Devas. She is also known as the Goddess of War to all other races.
She appears more towards the end of the Argon War quest chain, giving the player advice and even fighting part of the Argon army once. After Shandra Manaya is slain, she appears to congratulate the player on his/her success.