Buildings have 35%-50% more hit points. Longer burning times.

Reworked faction traits and campaign effects for more variety of effects.

More diplomacy activity all over the map.

Ai will more likely to attack fortified settlements.

Allied faction will stay allied more with friendly relations.

Raised chance of ambush attacks, Deployables in defensive battles, Ai armies will be a little tougher on harder difficulties.

Ai should Occupy settlements more.

Ai will attack with more than one army.