Prompt: An ultra-realistic portrait of Superman, the epitome of strength and grace, with distinctive white hair and beard, sits on his throne of crystal and ice in the fortress of solitude. High-definition rendering captures every detail of your face, from the slight furrow of your forehead to the precise position of your chin. The fortress is made of ice and crystal. His face is expertly crafted, with every feature and expression captured in stunning detail. From the perfectly shaped hands to the proportionate body structure, this image will leave you in awe. His uniform looks old and worn out from use. Atmospheric lighting highlights every detail of your face and hands, bringing them to life in stunning, ultra-realistic detail. This is the definitive rendering of Superman, captured in breathtaking 16k resolution. Full body portrait.