realistic, hyper realistic masterpiece image, best quality, 4K, 8k UHD, ultra- high resolution, ultra- high definition, highres, BREAK, an underwater scene, green algae infested water gives a green hue to the scene, volumetric lighting from sunlight above the water's surface, gigantic sea slug, cruising the ocean floor, the sea slug has rich colors of dark blue purple and magenta with fiery red accents. the slug is surrounded by multi- colored, marbled polished stones and colorful coral. Keep the colors rich and natural, (no pastels or colors that are too vibrant)