No human, solo, black dragon, surrounded by dark mist, glowing eyes, ancient ruins, thunderstorm in background, gothic fantasy style, moody lighting, ultra detail, 4k resolution, dark fantasy illustration

No standing, no cowgirl, no riding, no straddling, no sitting on lap, no vertical hierarchy, no single-character focus, no unequal depiction of futanari or busts, no missing phalluses, no unexposed busts, no low-resolution.No standing, no cowgirl, no riding, no straddling, no sitting on lap, no vertical hierarchy, no single-character focus, no unequal depiction of futanari or busts, no missing phalluses, no unexposed busts, no low-resolution.lowres, bad quality, worst quality, low quality, low details, bad anatomy, bad hands, sketch, jpeg artifacts, ugly, poorly drawn, censor, blurry, watermark, artistic failure, artistic error, bad proportions, bad perspective, displeasing, very displeasing, oldest, child, childish