Portrait of Zeus, god of thunder, holding a lightning cane in one hand, showcasing a muscular build in a fantasy setting, with intricate and elegant details, digital painting style inspired by Gaston Bussiere and Alphonse Mucha, artstation concept art, smooth and sharp focus, visually striking illustration, avoiding any text, errors, or low-quality elements, ensuring no jpeg artifacts, maintaining high-quality anatomy and proportions, aiming for a mythical yet refined depiction with a well-composed and balanced composition.