Assault frustration

[Shad]

My memory is hazy, but at some point either in Daily Content, optional rules, or somewhere there was an encirclement rule spelled out that lowered the defenders' morale if they could not trace a hex route back to their own territory. So if you actually encircled a town on the map it had an appropriate affect on the defenders.

Perhaps someone with a better memory than I can find the link. I never used that rule but I remember admiring its thinking...