a single boulder of iridescent liquid chrome floating weightlessly in the center of a giant glowing white circular portal opening set into a pitch-black wall, oil-slick rainbow reflections rippling across its surface, jagged dark eroded mountain ridges on both sides of the foreground, high contrast, fine film grain, symmetrical centered composition, minimal surreal sci-fi landscape --chaos 10 --ar 3:4 --exp 100 --raw --profile 73hh66z --stylize 200 --weird 5 --v 8.2