18-year-old girl, slim figure, toned body, smooth pale skin, long red hair clumped with sweat and dirt, large expressive green eyes wide with terror and pain, full pink lips open in a scream, submissive and overwhelmed expression, tears and drool streaming down her flushed face, proportional breasts bruised and pressed against the surface, perky nipples swollen and visibly erect, flat stomach, narrow waist, shapely hips, shaved pussy impossibly stretched and fully impaled on a long, thick, sharp iron pole, the pointed tip deeply embedded inside her body, (extreme vaginal stretching:1.5), her trembling body arching as the unyielding metal penetrates her completely, legs forcibly spread apart to accommodate the massive size, hips elevated, arms tightly bound above her head, her cries echoing through the cold, damp room, dark, filthy dungeon, cold concrete walls, chains and restraints hanging from the ceiling, a massive metal table beneath her, puddles of fluid forming on the floor, harsh dim lighting casting sharp shadows, degrading atmosphere emphasizing her complete helplessness, focus on the sharp iron pole fully inserted into her vagina, her visibly stretched opening tightly gripping the cold metal, her body convulsing from the overwhelming sensation, sharp details, visible fluids dripping down her thighs and pooling on the floor, high dynamic range, masterpiece, best quality, highres, photorealistic, ultra-high resolution, cinematic lighting, depth of field, perfect skin details, HDR, noise-free.