Dragon Army Problems

@MrGrumpyPants: The barbarians are doing a terrible ritual, but I can't cross the wall to stop them. #dragonarmyproblems

We have until the end of Winter Northeast Wall

Although Commander Yao is the right person for the long term defense of the Empire, we need to help for him to make it through the first winter. In Cavalry Charge, we learned that there are five major things wrong which we can help with.