The Mongol nation was unstoppable. In a mere 20 years, they went from pastoral nomads to near universal rulers. With their leader, the Great Genghis Khan, they would appear like a dragon to the people the conquered. Find out how Genghis recruited people to take the reins of his newly constructed dragon, adapted his dragon to overcome any obstacles, and set up a postal service which would help destroy powerful civilizations in this weeks episode!