Regal troll king before a massive fantasy stone castle

A steampunk style painterly artwork, a short, tubby but muscular and powerful Troll King dressed very regally in short leather tunics and sandals laced up his powerful short legs. He wears a troll hat and has a small sword on his side. There is fantasy great castle made of boulders in the background, world-class masterpiece, fine details breathtaking artwork, painterly art style, high quality, 8k, very detailed, high resolution, exquisite composition and lighting.