megastructure spaceship  octane render 
two heads, two faces, elongated body, plastic, mutation, mutated, deformed, disfigured, bad anatomy, overlapping bodies, ugly, disproportionate, out of frame, cropped face, cropped head, tiling, extra limb, ugly, poorly drawn hands, poorly drawn feet, missing limb, blurry, floating limbs, watermark, signature, long neck, fingers, hands, arms