I cant really tell how combat works from these rules. Do you roll 2d6, or your hit dice? How does armor work? The only thing I can see is you either have 0,1, or 2 armor. Do you reduce damage by the value, or roll or what?
When you fight, use the rules for doing something risky (2d6+stat). On a 10+, you deal damage. On a 7-9, you trade hits with your foe. On a 6-, you get hit.
(That's one way to interpret the roll. It's not totally set in stone and is flexible by design. Let the situation guide your judgment calls.)
Your armor value subtracts from damage you take.