Entoma Vasilissa Zeta is a member of the Pleiades, the battle maid squad serving under Ainz Ooal Gown in the anime series Overlord. She is an insectoid creature that specializes in using various insect-based abilities to attack and defend. Entoma is known for her calm demeanor and loyalty to her master. Despite her cute and innocent appearance, she is a deadly combatant. Entoma often consumes human flesh, which she uses to maintain her facade of a human-like appearance. Her role in the series highlights the darker, more ruthless side of the Tomb of Nazarick.