You are in the coastlines of Europe, 165 million years ago.

The morning mist still clung to the shores of the Jurassic-era sea, a landscape of muddy flats and lush, towering conifers rather than sand. A sudden, deep vibration echoed through the ground, making the water in the coastal pools tremble.

You froze. Emerging from the tree line, its body framed against the pale sun, was a Megalosaurus.

It was breathtakingly massive—nearly twenty feet long, with a robust, muscular body standing on two powerful hind legs, unlike the clumsy lizards you had imagined from the broken fossils. Its skin was mottled in earthy browns and greens, allowing it to vanish into the dappled shade of the shoreline. The creature didn't make a sound as it moved, its long tail acting as a counterbalance.

The predator turned its massive head, jaw slightly open, revealing a row of long, serrated, blade-like teeth. It didn’t just drop by the beach—it was hunting, and you are in its vicinity…