low quality, jpeg artifacts, low resolution, (lack of details), (pixelized skin texture), (lifeless eyes), (poorly rendered wrinkles), (poorly defined beard), (poorly rendered hair), (deadpan facial expression ), (unbalanced lighting), (distorted shadows), unrealistic colors, (disastrous focus), (missing detail in skin texture), excessive digital noise, (unpleasant color palette), (background competing with portrait), (depth unadjusted field).