32k photo-realistic, high-definition: Close-up shot of a brave alien superhero, wearing iridescent armor that shimmers under a twin sunset. The superhero's expression is fierce, showcasing sharp features and glowing markings on their skin. The background features a sprawling alien city with towering crystalline structures and vibrant flora. The lighting is a blend of warm golden hour and bioluminescent glows from the surroundings, emphasizing the details of the hero's costume and the rich textures of the alien environment.