Prompt: A giant black ((smooth black round mound)) rises above steep mountains in a desolate landscape. Heavy rainstorm. Highly detailed, misty, gray, ominous, 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: lowres, blurry, low quality