a muscular boxer in the ring, steely facial expression, wearing boxing gloves, detailed and accurate anatomy, masterpiece, high quality, 16k, UHD resolution

((ng_deepnegative_v1_75t):1.2), 3d render, artist name, autograph, bad anatomy, bad art, big ears, big nose, black and white, blender, blind, blurred, blurry, body out of frame, chibi, childish, conjoined twins, cropped, cut off, deformed, disfigured, double, draft, enormous arms, enormous ears, enormous legs, enormous nose, extra limbs, fat, fingers, flat, flat body, fused fingers, grain, grainy, istock, jpeg artifacts, lacklustre, low quality, lowres, malformed, malformed auricle, malformed ears, malformed eyes, malformed face, malformed iris, malformed mouth, malformed nose, malformed teeth, morbid obese, morbid obesity, normal quality, old, out of frame, photo, poorly drawn face, poorly drawn feet, poorly drawn hands, realistic, repetitive, siamese twins, signature, sketch, skin imperfection, skin imperfections, skiny, small arms, small legs, sparse hair, stacked torsos, stock photo, strange colors, strange colours, text, tiling, to many fingers, too many limbs, totem pole, tridimensional, tridimensional body, ugly, unibrow, upskirt, username, watermark, weapon, weird eyes, worst quality