A portrait of a robot samurai, black armor, ultra realistic, unreal engine, cinematic lighting, octane render, random colurs, cosmic ambiance, masterpiece art by Yoji Shinkawa, head fit inside picture

gold, clothes,Deformations, non aesthetics, unnatural, distortion, wrinkles, heads on heads, letters, watermark, cartoon, 3d, disfigured, bad art, deformed, poorly drawn, extra limbs, close up, b&w, weird colors, watermark, body out of frame, grainy, signature, cut off, draft, head out of frame, head cut, human face