Mecha Warrior in a Triassic Sea

16:9 Cinematic Deep-Sea Footage. In the clear, turquoise prehistoric ocean of the Triassic period, a sci-fi warrior clad in a terrifying eight-meter-long, matte black biomimetic mechanical centipede armor, possessing 20 pairs of gleaming metallic paddle-like legs, moves with incredibly agile, serpentine movements, its lithe figure exuding power and imposing presence, gliding slowly along the sandy seabed. Behind it, a gigantic 18-meter-long, dolphin-shaped ichthyosaur (Shonisaurus) swims by like a giant submarine, outlining a magnificent silhouette. Groups of spiraling ammonites, their tentacles floating on the surface, swam about in the water. Sunlight penetrates the water's surface, enriching the mechanical textures with rich detail, creating realistic lighting effects, and delivering a lifelike, 8K resolution visual. --ar 16:9