<|user|>Type a prompt for SD for an video game concept art matte painting of a underground river running through glowworm caves in the style of stefan kostic<|end|><|bot|>video game concept art matte painting of a underground river running through glowworm caves in the style of stefan kostic, realistic, sharp focus, 8k high definition, insanely detailed, intricate, mysterious, art by stanley lau and artgerm and luis royo