Kim Moon Bin, flooded with all of Sali Tayi's memories, comes to the conclusion that he once was Sali Tayi and goes to confront his older counterpart in a final showdown.
Moon-Bin, once again leading men into battle, draws the attention of Sali Tayi, who considers Moon-Bin his most hated foe, which may spell doom for both Moon-Bin and any under his command.
Moon-Bin endures arduous training at a Mongol military slave camp, where he is forced to fight for his oppressors. He descends into savagery, becoming a feral beast in battle, driven only by the compulsion to survive.
"As the Mongol hordes stand at the gates of Koryo, general Sali Tayi issues an ultimatum: surrender and serve the Empire, or die by the hands of the Mongol army. When Koryo refuses, the invasion begins! ".