In 2015, an archaeological investigation of an ancient Scottish battlefield uncovered a vast array of ballistic weaponry. X-ray scans revealed it came from a secret weapon called a manuballista, the Roman Empire's equivalent of an assault rifle. Military experts believe it was more accurate and more deadly than any other in the ancient world, but does reality match the legend? Join us as we reconstruct this terrifying killing machine to test its true power and to demonstrate how it stamped out resistance and paved the way for Rome's domination.