portrait of katheryn winnick  as a surly and determined female barbarian clothed in leather armor and a cloak, neutral expression, by greg rutkowski and john collier and krenz cushart and artem demura and alphonse mucha and albert aublet, as seen on artstation, 4k, dungeons and dragons, very aesthetic, very detailed, intricate, unreal, fantasy, dramatic, painterly, artstation, sharp focus, smooth