diff --git a/src/combat.rs b/src/combat.rs
index 7fd73fd..2b9b81f 100644
--- a/src/combat.rs
+++ b/src/combat.rs
@@ -10,7 +10,7 @@ impl Character {
     pub fn attacks(&mut self, opponent: &mut Character) {
         let (margin, _succ, _fail, _succ_dice, fail_dice) = successes(
             self.dice_pool().max(0) as usize,
-            (opponent.ac() - self.weapon_proficiency() as i64).clamp(1, 12),
+            (opponent.ac() - self.weapon_proficiency() as i64).clamp(1, 11),
         );
 
         let damage = self.compute_damage(margin); //(margin + self.weapon_proficiency()).max(0) * self.weapon.damage_dice;