Dominion spread into enemy territories?

[Quietly]

heh, last time I played, I played ashen empire ermor, and had someone else's random event apparently cause a province of theirs to have an undead revolt, resulting in my gaining control of a 3 dominion strong province deep in their territory, a small army of undead, and 5 1H ermorian cultists, who immediately began herding the local populace into some massive ghoul breeding pit