Photorealistic biomechanical horror image of an extremely beautiful young woman with long flowing fiery red hair, striking heterochromia, (one fiery amber eye, one deep emerald eye), seductive yet terrified intense gaze, wearing extremely revealing torn biopunk leather straps fused with living metallic tissue that barely covers her nipples and crotch, maximum exposed skin with visible subcutaneous biomechanical veins and pulsing tubes, dynamic sensual-horror pose — body arched backward in ecstasy and pain, one hand tearing at the organic cables growing from her own skin, inside a nightmarish medieval cathedral whose walls are made of fused flesh-metal exoskeletons and breathing biomechanical pipes, dark biomechanical horror apocalypse, in the grotesque erotic style of H.R. Giger and Luis Royo, dramatic chiaroscuro lighting with sickly green bioglow, ultra detailed skin, textures and body horror elements, highly erotic and disturbing, 8k