Within the Isla Pyro labs, a scientist went mad. Conducting an illegal experiment. He fused 2 of the worlds deadliest apex predators - The Giganotosaurus, and the Tyrannosaurus Rex. But little did the islands scientists know. He's adding a third apex predator to this new hybrid. He got the Giganotosaurus DNA from Isla Pyro's only Giganotosaurus, while obtaining the T-rex DNA illegally from their labs. He then fused them together, now he only needs one last piece to his puzzle.
