A 3D cinematic scene featuring a mystical triangle portal leading to a cityscape world, set in a desert dune environment. The scene is crafted in a neon realism style, blending tarot symbolism with a touch of mathematical precision, all created using Unreal Engine 5 software. It showcases high details, vibrant colors, and a mix of night illumination and daytime hues against a black background, evoking a sense of mystery and depth.