Xenovia (ゼノヴィア, Zenovia ) is a young woman the same age as Issei, who is initially sent by the church with her friend Irina to recover the Excalibur swords stolen by Kokabiel. He is one of the characters who is first shown as an enemy, and later becomes an ally, he has a certain resemblance to Asia, since the two sometimes know how to pray (out of habit), consequently giving them an intense headache due to pray, which generates grace in the other characters.