Ke'rath was a deity of the religion known as Kos'var'da. The God of Strength and War, he was the third of the gods to be born. Despite being the youngest (apart from Sin'dine), he was the most popular deity of the Kos'var'da. Together with his brothers, Ar'gul and Be'ran, he fought his sister Sin'dine for control over the Decuri.