Shalltear Bloodfallen is a prominent character in the anime series Overlord. She is a vampire and one of the Floor Guardians of the Great Tomb of Nazarick, specifically overseeing the First to Third Floors. Created by Peroroncino, Shalltear is fiercely loyal to Ainz Ooal Gown, the protagonist of the series. Known for her beauty and strength, she possesses a complex personality, often exhibiting both playful and sadistic traits. Her role in the series includes defending Nazarick and engaging with various adversaries, showcasing her formidable combat abilities and unwavering loyalty.