Majestic underwater kingdom with mermaids, sea dragons, coral castles, vibrant marine life swimming, surrounded by a deep, teal ocean with sunlight filtering down in soft beams, creating a tranquil, shimmering effect in the water. Particles float gently in the water, with bubbles rising from corals, and a sense of quiet, mystical depth --niji 5 --style scenic --ar 7:3 --relax