A stronghold is a fortified defensive structure, a fortress, a place of refuge, survival or domination. Your assignment is to take one of the two keeps in the North and survive to dominate. This won't be easy as you are the most hated Lord in the area. Why you ask? No reason other than a little robbery, rape and pillage. Just the usual activities for the average Robber Baron. Hey it's a family tradition but it's amazing how narrow minded some people are. Why they would take the very bread from the mouths of your children.