A fantastical underwater kingdom where bioluminescent coral formations glow in deep ocean blues, merfolk with pearlescent scales and flowing hair dance among giant sea anemones, shafts of sunlight filtering through crystal-clear water creating caustic patterns on sandy floor, intricate detail on marine life merged with architectural ruins overgrown with kelp, jewel-like colors pulsing with inner light, dream-logic underwater physics, atmospheric depth and pressure, luminous bioluminescence, serene mystical atmosphere
