That's kind of what I was trying to achieve in Arcaea - polarise matters religiously so that the two Sartanian dukes split off to create a new realm, thereby splitting Arcaea in two and creating the opportunity for conflict.
Because, as it is, Arcaea's geography means it would win pretty much any war but one where almost every single other realm ganged up on it.
And even then... It could probably just stomp them all over one at a time and come out victorious.
