The Principes is a Tier 3 minor faction infantry unit. The only way to acquire minor faction troops is by defeating them in battle and taking them as prisoners. You can then recruit them into your party after a few days. They have a basic wage of 5 denars and can be upgraded to Triarii for 100 denars.
Principes Skill Values:
|One Handed||Two Handed||Polearm||Bow||Crossbow||Throwing||Riding||Athletics|