Stylish young man in dark energy vortex AI Image Prompt

A high-resolution, cinematic full-body portrait of a stylish young man standing confidently in a misty, ethereal environment. He is wearing a white button-up shirt under a black knitted sweater vest, paired with oversized baggy dark grey denim jeans and a black textured baseball cap tilted down to partially shadow his face. He holds a {argument name="weapon" default="sleek black katana"} with a {argument name="glow color" default="glowing purple aura"} emanating from the blade. Surrounding him is a massive, swirling vortex of dark, shadowy energy and ink-like smoke forming a circular frame against a bright, hazy white background. The lighting is moody and dramatic, emphasizing the sharp contrast between the dark energy and the foggy atmosphere, captured in a professional digital art style with a 4k finish. One hand in pocket.