4k, photorealistic, illustration, fantasy art, as seen on artstation, digital painting, realism, photography, highly detailed, soft, pretty visuals, aesthetic, vivid colors, shadow effect, insanely detailed and intricate, beautiful cavern landscape, cave, cavern filled with troglodytes, glowing crystals, sparkling minerals, pond, waterfall, reflective water, hot springs, glow worms, drpping ooze