Ultra realistic (steampunk robot ball with legs:1.2), misty dark room, (smoke, smoky background, steam:1.2), (dust particles:1.2), light rays, insane detail, extreme detail, octane render, high poly, hdr, ambient occlusion, (rain:1.2).
BREAK 
dark intense blue background, dark theme, dynamic lighting, (soft shadows), (sharp focus), (photo realistic), extreme details, uhd, 8k