Sinister, grinning Medusa with serpentine hair, her shoulders draped in a cloak of scale-textured darkness, her skin an eerie pale white reminiscent of weathered marble, with fissures mapping across her face like intricate veins on a dusty rock. Her presence exudes a chilling horror, her features are finely chiseled, each snake coiling with lifelike motion. The scene is dramatic, captured in hyper-detailed, high-resolution clarity. The focus remains sharp, revealing the subtlety of detailed background elements. Her hands are sculpted to perfection, and her eyes are hauntingly realistic with a depth that draws you in. The skin texture is remarkably detailed, featuring subsurface scattering that enhances her lifelike yet otherworldly appearance, achieving a level of photorealism that makes her both terrifying and mesmerizing.