Please write a prompt for Stable Diffusion depicting a portrait of an alien man.
Portrait of an alien man by Greg Rutkowski, hard predatory look pointed ears, prominent jaw and visible fangs, wearing a futuristic space tactical gear that looks like a mix between the samurai, viking and templar aesthetics, mix between tribal and hi-tech, highly detailed portrait, scifi, space opera, digital painting, artstation, concept art, smooth, sharp foccus ilustration, Artstation HQ