Hmmm in my current campaign, I had taken a few hints from the forum regarding having a spy in each province, but I didn't know that had to be a province without a border fort..... I think I'll keep the forts though as they massively boost happiness, which is hard to come by on default unit size (as opposed to small unit size which I ran my first campaign under).

I used to think spying for vnvs would raise valour, so this is not the case? Opening gates neither....

Say if I have a mob of valour 0 spies, which gets the point if the province goes rebel?

Oh, and I had several zeal 100 provinces....well, actually they AI did, because that's where I parked my inquisitors last game.