Mortall shell illustration of a pale-skinned arachne woman, humanoid torso and face with two slender human hands, six additional segmented chitinous spider limbs emerging from her upper back, limbs curving elegantly around her frame. She wears a long, slightly sheer flowing black-and-green robe, translucent fabric drifting like cobweb silk, revealing hints of her form beneath. Long white dreadlocked hair cascading past her shoulders, crowned with a black jagged tiara like twisted obsidian thorns. Her eyes have glowing sickly green sclera with no visible pupils, giving an eerie hollow stare. Necrotic color palette of decayed green and black, faint bioluminescent green veins glowing beneath pale skin, wisps of dark green mist curling around her. A medium-sized companion spider beside her, same necrotic green-black chitin with faint glowing markings. Atmospheric dark background,