robot samurai, ultra realistic, accurate details,, photorealism, hdr, 16k, octane effect, unreal engine, cinema 4d, art by Yoji Shinkawa

ugly, tiling, poorly drawn hands, poorly drawn feet, poorly drawn face, out of frame, extra limbs, disfigured, deformed, body out of frame, blurry, bad anatomy, blurred, watermark, grainy, signature, cut off, draft, weapons, heterochromia, dots, blue,