Arthur and Okita had been training relentlessly to defeat Genghis Khan, who had now absorbed Hitler completely, making him even more powerful than before. But despite their best efforts, they were unable to even land a scratch on him.
Merlin was growing increasingly worried, as the fate of the world hung in the balance. He had tried every spell in his arsenal, but nothing seemed to work against Genghis Khan's overwhelming power.
They needed the fourth member of their team, but he was still in a coma-like state, recovering from the ordeal of losing Vespera. Merlin had sent him to the Fortress of Solitude, a place of ancient magic, where he could heal and regain his strength.
Meanwhile, the battle outside raged on. Genghis Khan seemed invincible, and Arthur and Okita were growing weary from the constant fighting. But they refused to give up. They knew that the fate of the world rested on their shoulders.