Cropped image, out of frame, draft, distorted limbs, poorly rendered textures, unrealistic proportions, flat lighting, mismatched colors, lack of detail, dull composition, amateurish execution, lack of depth, unconvincing futuristic elements, blurry, grainy, lack of polish, lack of dynamic pose, generic and uninspired design, uninteresting background, lack of fine details, lack of realism, lack of impact, lack of creativity, low-quality rendering