underwater cave, The Island map from ARK: Survival Evolved, prehistoric atmosphere, bioluminescent plants, crystal formations, submerged rocks, aquatic dinosaurs, scuba diver exploring, ancient ruins, treasure chests, eerie blue light, schools of colorful fish, air bubbles, stalactites and stalagmites, coral reefs, underwater vegetation, mysterious shadows, 3/4 view, ambient underwater lighting, wide-angle lens, high detail texture, survival gear, adventure theme, immersive environment.