Even small Sovereigns had the potential to cause enormous problems!
But none of them were in problematic situations. They had arrived on the continent five years ago and had traveled almost imperceptibly. They were going to Hilltop City to protect themselves on this dangerous continent.
There were rebel forces in the area who accepted new recruits. But one would have to go to one town in the area of Hilltop City to get a 'safe' place with possibilities for growth. The only other option for an invader was to hide and live in the gutter.