masterpiece portrait of a galactic samurai on a alien city, cosmic, 🌌, au naturel, hyper detailed, digital art, trending in artstation, cinematic lighting, studio quality, smooth render, unreal engine 5 rendered, octane rendered, art style by klimt and nixeu and ian sprigger and wlop and krenz cushart and kim jung gi and greg rutkowski and jennifer wuestling and ricardo padiarne silvera