Portrait of a futuristic Superman encased in cybernetic heavy armor with an advanced helmet, set in a sci-fi realm. The design features glowing intricate details across his full body, exuding elegance and showcasing a highly detailed digital painting style. Inspired by concept art found on ArtStation, the artwork boasts smooth lines and sharp focus. The essence of artists like Artgerm, Greg Rutkowski, and Alphonse Mucha shines through, bringing a unique aesthetic. Elements to avoid include low resolution, visible text errors, cropped or distorted figures, poor quality artifacts, and any signs of anatomical errors such as extra limbs or mutated features, ensuring a refined and visually stunning portrayal.