Olivia Dark Angel is a prominent character from the anime series Shingeki no Bahamut. She is an enigmatic and powerful angel known for her striking dark wings, symbolizing her fall from grace. Olivia possesses both a regal demeanor and a deep inner conflict, often struggling with her dual nature between light and darkness. In the series, she serves as both an adversary and a reluctant ally to the main cast, playing a pivotal role in the unfolding battle between angels, demons, and humans.