A close up of a robot with a gun in its hand

(night scene), upper body portrait of giant opt-6000 with mouthplate, detailed aesthetic mecha design, (blue:0.7) and (red:0.5) (rusty metal), looking at viewer, highres, superb, very detailed, intricate, unreal engine 5, volumetric lighting, realistic, realistic lighting, cinematic, 4k, cinematic lighting, ruined city background, smoke, stop motion, hyperfocus, tonemapping, sharp focus, hyper detailed, particles and sparkles, dark atmosphere

close up, lowres, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry, artist name, toy, oversaturated, cartoon, anime