Aura Bella Fiora is a character from the anime series Overlord. She is a Dark Elf and serves as one of the Floor Guardians of the Great Tomb of Nazarick, which is ruled by the protagonist, Ainz Ooal Gown. Aura, along with her twin brother Mare Bello Fiore, is responsible for guarding the Sixth Floor of Nazarick. She is known for her energetic and cheerful personality, as well as her skills in beast taming and combat. Aura plays a significant role in maintaining the security of Nazarick and supporting Ainz's ambitions.