Originally Posted by Gray Beard:
Trick #5: Use the regroup/retreat feature (Right mouse click) of the campaign map and setup a location that your stack will retreat to without running into another Mongol stack. This is really important because it preserves your forces and keeps them near enough to support each other if you lose. You have to avoid playing auto resolve ping-pong and having the same stack losing multiple times in one turn.
What's this regroup/retreat feature? Can you elaborate more? I always thought this feature would be useful but I never found it in the manual! Is it available on vanilla?