Provide me a prompt for Stable Diffusion portraying  portrait of a cosmic old man
cinematic portrait of a cosmic old man, only head and chest, intricate, desaturated, Tim Hildebrandt, Wayne Barlowe, Bruce Pennington, donato giancola, larry elmore, maxfield parrish, Moebius, Thomas Ehretsmann, oil on canvas, gouache painting, masterpiece, trending on artstation, cinematic composition, dramatic pose, volumetric lighting, sharp, details, hyper-detailed, HD, 4K, 8K