Prompt: highly detailed, machined metal, mechanical,  skull,  high tech design, modular design, low ploy, upgradable. serviceable, transformers  inspired, close up portrait photo by Annie Leibovitz, film, studio lighting, detailed skin, ultra realistic, bokeh, sharp features
Negative prompt: cartoon, 3d, disfigured, bad art, deformed, poorly drawn, extra limbs, close up, b&w, weird colors, blurry, watermark