Mysterious underwater scene, dark cyan hues, eerie bioluminescent lights, abandoned submarine wreckage, rusty metal debris, seaweed-covered rocks, gloomy foggy atmosphere, dimly lit caverns, mysterious ocean creatures, glowing jellyfish, soft coral formations, worn wooden planks, vintage diving equipment, misty rainy day, low-key dramatic lighting, shallow depth of field, 2/3 composition, cinematic mood, realistic water simulations, subtle particle effects.