Medieval wizard, elderly and wise-looking, wearing flowing robes adorned with mystical symbols, holding a sword imbued with ice and fire energies, with a crescent moon symbol on the blade. Ancient, mystical castle ruins on a snowy mountaintop at night, with a full moon casting an ethereal glow. Close-up shot from a low angle, capturing the intricate details of the wizard's face and the moonblade. Dramatic, ambient lighting with a blue and orange color palette, creating a mystical and magical atmosphere.