Annarose

She is Febris, Primates and Quilt's mentor, who was believed to be dead but was actually corrupted by the book of the wisdom she was looking for. The book turned out to be the head of the goddess Sharia who seeks vengeance after being betrayed by the humans she once saved from the demons.

With Sharia exploiting her contained jealousy towards the human princess who her once beloved fell in love with, she kills both of them and is now after Lucina.