Prompt: castle by sea, high waves, william holman hunt, dark nautical,  8K resolution, analogous colours, detailed, matt painting, professional ominous concept art, by artgerm and greg rutkowski, an intricate, elegant, highly detailed digital painting, concept art, smooth, sharp focus, illustration, in the style of simon stalenhag, wayne barlowe, and igor kieryluk.
Negative prompt: people, animals, frame, borders