Ultra-detailed 8k UHD image of a dark elf Instagram model posed in a vast underground cave complex with soft lighting. The model has striking black hair, reflective eyes enhanced with mascara, and elegant makeup highlighting a cute nose. She boasts an athletic build, displayed in an outfit featuring cleavage, bare legs, and high heels. A mystical ambiance is created with subtle fog, giving the scene a dramatic feel. The image is inspired by trending works on ArtStation and CGSociety, showcasing intricate high detail. The cave setting includes natural formations, with hints of creative elements such as cat ears, enhancing the fantasy theme. The image is framed like a painting, with a touch of bright sky and clouds peeking through, blending both underground and outdoor elements in a captivating manner, avoiding any errors in anatomy or rendering.