A colossal ancient coral kingdom nestled within a massive bioluminescent underwater canyon, towering cathedral-like spires built from living rainbow coral and petrified sea glass, ancient stone statues of sea goddess guardians surrounded by swirling fish schools, soft teal and emerald light filtering through kelp forests above illuminating floating jellyfish lanterns, tiny robed deep-sea monks tending glowing pearl altars on ancient stone platforms, deep ocean indigo and iridescent turquoise color palette with warm golden sunlight accents from distant surface above, serene sacred mood, dramatic vertical composition with coral spires ascending through layered ocean depths toward shimmering surface light, epic cinematic Lord of the Rings scale, hyper-detailed matte painting, 8K fantasy art