The region was a peaceful place to live. But recently the tension is building up between the kingdoms. Will you be able to survive in this hostile world. Build your army, and conquer the foreign kingdoms.

Enslavement : After you defeated an opponent, you can capture him for enslavement.

After a certain amount of efforts, the captured slaves will become loyal to you, and fight for your cause.
Make sure to keep this relationship above a certain treshold, if not they will leave or attack you.

Siege : When you gathered a decent sized army, you can try to capture a village, or castle. You will face the opponent army as you raid their place.

Also, other kingdoms may wage war against you anytime, stay alert, be prepared for the worst