Dynamic action shot of anthropomorphic spider girl, hybrid insect humanoid, beautiful young woman, pale soft skin transitioning into glossy black chitinous lower body, four extra long slender spider legs emerging from hips and lower back, human arms, large multi-faceted compound eyes with human-like iris, sharp fangs, long flowing black hair mixed with silk threads, spinnerets, large breasts, narrow waist, full hips, shiny black carapace on thighs and abdomen, crawling on a vertical dark cavern wall, body stretched in mid-motion, spider legs and human hands gripping the rough stone, back slightly arched, hair and silk strands whipping from the movement, erotic sensual pose, seductive half-lidded expression looking over her shoulder at the viewer, highly detailed anatomy and textures, realistic motion blur on hair and limbs, soft moonlight, cinematic lighting, 8k