Watch Legends of War: Battle of Baideng for Free: How to Stream the Movie Online at 123Movies. . The war units of the Hun Emperor Mete Han and the Chinese Emperor Gao-Zu, the father of the turan tactic used by the Turks for centuries, come face to face in the Battle of Baideng. The war genius Mete Han was going to surround the Chinese with an unexpected war tactic and inflict a heavy defeat on them.