Full body portrait of a disturbing and surreal man, embodying a nightmarish presence, with a dark and ominous aura. The artwork combines the unsettling styles of Greg Rutkowski and Yoji Shinkawa, featuring intricate lines and particles. The digital concept art, rendered in 4k, showcases a figure with exaggerated anatomical features, including multiple limbs and a twisted form. The face appears distorted, with mismatched expressions, while the limbs are awkwardly posed. The man has a long neck and an unsettlingly disfigured body, stumbling out of frame. The overall composition is bizarre and unsettling, creating a sense of unease and tension, reminiscent of trending art pieces on ArtStation that delve into the uncanny and the grotesque.