"On the map, do you see the tiny crack in the ice in Russia? It goes horizontally across. One day, the men guarding it are shot full of arrows from atop the ice walls. The attackers drop down to the ravine below, and seal it off by blowing the ice into the path using stolen Greek fire charges. Then, the seperated area, they claim. If you struggled to follow, the mysterious attackers stole part of Russia an sealed it off from the mainland" You at least understand this part?