giant luminescent beetles, bioluminescent mushrooms, damp cave walls, intricate web patterns, translucent wings, skittering movement, armored exoskeleton, iridescent carapace, cave crystals, stalactites and stalagmites, moist cave floor, ambient glow, eerie atmosphere, underground river, reflective water surface, soft diffused light, close-up shot, high detail texture, 3/4 view, fantasy setting, vibrant colors, surreal environment, depth of field, macro lens effect.