龍骸のイレーネ

Invidia's real identity is Elaine of the Dragon Skeleton, an apostle of Index. In 1945, she participated in the battle against the witch Lieselotte Werckmeister. She and Misao do not get along at all. Elaine was resurrected as Indivia, remembering nothing but his mission to protect the seal. [Edited from the 11eyes wiki.]