Quote Originally Posted by Duke of Gloucester
I wasn't sure about this, so I tried it out when I conquered a Spanish province - Castile, I think. I made sure I was taxing on "very high" and assigned a zero dread, four acumen governor. The happines rating went from 125% to 127%. Of course, when I re-loaded the game and used a four dread governor instead. happiness was a lot higher! However I can say for certain that using a 0 dread governors doesn't always make a province more rebellious. In some circumstances it may, fewer troops, more rebellious province etc.
+5% loyalty per skull. Have never seen a drop in loyalty from assigning a 0 dread governor. That 2% *may* be due to his piety, though I havent seen a concrete and exact corelation b/w piety, zeal and happiness.