Hero prompt: A painting in the style of Michael Whelan of an anthropomorphic knight in full armor standing on the ground with his sword raised

A painting in the style of Michael Whelan of an anthropomorphic knight in full armor standing on the ground with his sword raised, behind him is a large stone door that leads into sand dunes where skeletons and dragons stand guard, desert background, warm tones, fantasy art style, dungeons & Dragons. --ar 45:64 --v 5.2 --style raw