ancient historically accurate depiction of a white castle in storm clouds by frank miller, illustration by Ruan Jia and Mandy Jurgens and William-Adolphe Bouguereau, Artgerm, 4k, digital art, surreal, space dandy style, highly detailed, godsend, artstation, digital painting, concept art, smooth, sharp focus, illustration by Ruan Jia and Mandy Jurgens and William-Adolphe Bouguereau