Megalodon

Baktou, guided by the urgent voice in his head, kicked his legs with all his might, propelling himself towards the surface. The water, still turbulent from the giant shark's violent thrashing, seemed determined to keep him submerged. As he swam, the voice echoed in his mind.

[Hurry, Baktou! We don't have much time. That creature is no ordinary shark; it's a Megalodon, a force of nature! If I guess it right, that thing has the power to destroy this whole village.]

Baktou's heart raced as he broke through the surface, gasping for air. He barely had time to regain his composure when he heard the voice again.

[Listen carefully, Baktou. The megalodon is a prehistoric giant, much larger and more powerful than any modern shark. It's responding to your DNA, and we need to find a way to control it before it wreaks havoc! But what confused me is, how can dinosaurs and this creature coexist because, in proper history, Megalodon only appeared after dinosaurs went extinct.]