Samurai sword，Blade

poorly drawn, out of frame, stubby, mutation, mutated, extra limbs, extra legs, extra arms, disfigured, deformed, odd, weird, off putting, out of frame, bad anatomy, double, clones, twins, brothers, same face, repeated person, long neck, hat, poorly drawn, cropped, text, watermark, signature, logo, split image, copyright, desaturated, artifacts, noise