A noir neon dystopian poster with a UI game layout, featuring iridescent neon text and elements. The main subject is a samurai holding a katana, set against a noir purple background. He stands in a powerful, determined pose, with his traditional armor and katana gleaming under the moody lighting. The iridescent neon colors add a dynamic, futuristic touch to the scene, highlighting the samurai's intense gaze and the intricate details of his attire. The composition focuses on the contrast between the timeless honor of the samurai and the dark, futuristic purple background, enhanced by the iridescent neon UI elements.
