### Human: Could you make a prompt for SD about a study of cell shaded portrait of sylvester stallone concept art, llustration, post grunge, concept art by josan gonzales and, by james jean, victo ngai, david rubín, mike mignola, laurie gregory, daniel cox, kevin wada, luis royo### Assistant: a study of cell shaded portrait of Sylvester Stallone concept art, llustration, post grunge, concept art by josan gonzales and wlop, by james jean, Victo ngai, David Rubín, Mike Mignola, Laurie Greasley, highly detailed, sharp focus, alien, Trending on Artstation, HQ, deviantart, art by antgerm