Cinematic underwater shot of a massive realistic three-headed shark swimming through dark deep ocean waters. The shark has three powerful heads with sharp teeth and scarred skin. Suddenly it becomes angry, and its entire body begins glowing intense neon blue, light pulsing from its gills and along its body. It circles protectively around a huge pile of lost pirate treasure on the ocean floor — overflowing chests of gold coins, shining jewels, diamonds, rubies, and pearls that sparkle and reflect the neon blue light. Rays of volumetric light cut through the water, bubbles rise, particles float in the current. Ultra-realistic, photorealistic details, cinematic lighting, dramatic atmosphere, slow powerful camera movement orbiting the shark and treasure, 8K, highly detailed.