An epic underwater kingdom at war. The scene opens with a sweeping wide shot of a massive coral cast

An epic underwater kingdom at war. The scene opens with a sweeping wide shot of a massive coral castle, glowing in deep blue bioluminescent light, as thousands of air bubbles rise like smoke from cannon fire. Armored knights mounted on great white sharks charge forward in slow motion, their silver armor catching shafts of pale green light filtering from the distant surface. Coral spires crumble and explode in the background as rival forces clash soldiers wielding tridents and shields, riding manta rays and hammerheads. The camera drifts low and fast through the battlefield chaos, weaving between charging sharks and swirling debris of broken coral and seaweed. Cinematic, hyper-detailed, photorealistic underwater lighting, dramatic slow-motion, 8K epic fantasy film quality.