Write me a prompt for Stable Diffusion for an scifi portrait.
scifi portrait by Greg Rutkowski, hideous monster made of twisted human flesh and reddish ooze, lumpy bloated upper body with elongated, thin limbs like a mantis, small head like a ball with two empty holes for eyes, only human beings are its legs, vicious appearance, scifi, space horror, digital painting, artstation, concept art, smooth, sharp foccus ilustration, Artstation HQ.