giant mecha \(optimus prime\) robot, opt-6000, night city, detailed background, masterpiece, film grain, lens distortion, (chromatic aberration), intricate, unreal engine 5, volumetric lighting, realistic, realistic lighting, cinematic, 8k, cinematic lighting, depth of field, masterpiece, perfect, award-winning, hyper-detailed, photorealistic, ultra realistic, realistic light, hard lighting, intricate details, stop motion, hyperfocus, tonemapping, sharp focus, hyper detailed, a character portrait by senior character artist, trending on Artstation