The game will also feature the chance to control Richard the Lion Hearted and Genghis Khan. The addition of the Heroes is meant to give more of a narrative feeling to the whole campaign. It will need to work to bring unity to a thousand year long campaign series. When guarding, however, you can now choose a facing for the unit. Units can be set to patrol a given area or path or be set to follow a designated leader unit.
Units can now also garrison inside certain structures as a means of defense.
There's also a Town Bell feature that you can use to aid in the defense of your city. The town bell garrisons all peasants. This keeps them safe while your soldiers fight off the enemy. The addition of assembly areas will make logistics a little smoother. You can set a gather point for all units created by a structure.