The Siegemaster (SFW)

You are the royal engineer of the king and he put you in charge of besieging the castle of one of his rival. How are you going to crack those walls of stones ? Will you use your ingenuity to build trebuchet, battering ram and other war machines ? Will you try to dig underneath the castle to sap its battlements ? Are you going to venture a nightly assault or find a traitor inside to open the doors ? Are you going to wait that hunger and pestilence reduce the will of the besieged to smithereens ? Scenario propose customable protagonist (name, gender, race and appearance) and plenty of story card to teach the AI the proper terms of siege warfare.