A majestic underwater coral palace deep in a tropical ocean, massive bioluminescent coral structures forming an elaborate architectural masterpiece with vaulted ceilings and flowing archways, Schools of iridescent fish swimming through beams of caustic light penetrating the surface above, exotic sea turtles gliding past massive anemones, Rendered with Unreal Engine 5 raytracing and PBR materials, reimagined as frame-by-frame hand-painted animation with visible brushstrokes, warm gouache color palette, cinematic composition with strong architectural perspective and atmospheric depth