A beautiful highly detailed futuristic (Warhammer 40000, portrait Santa Claus, 8k resolution concept art portrait by Greg Rutkowski, Artgerm, WLOP, Alphonse Mucha dynamic lighting hyperdetailed intricately detailed Splash art trending on Artstation triadic colors Unreal Engine 5 volumetric lighting:1.3) by mark keathley and andree wallin, science fiction, dystopian, hard light, (centered composition:1.2), sci-fi, featured on artstation, artstationhq, 70mm photo, 4k, 8k, octane render, aesthetic, exciting, cinematic, moody | Sci-fi