A close-up portrait of an ancient

A close-up portrait of an ancient undead drow sorceress, captured in a detailed anime illustration style. She has smooth purple skin and long, flowing white hair resembling spun silk, with a face that is beautiful yet terrifying in its cold menace. She wears an intricate headdress made of twisted silver and black gems, and a tattered dark gown. Her eyes glow intensely with violet necromantic power. The background features the depths of a grand crypt, with ancient coffins lining the walls and ghostly mist pooling on the stone floor, suggesting a throne of bones nearby. The image showcases great quality and best quality rendering, with sharp details on her features and the surrounding environment, creating a regal yet terrifying atmosphere.