This should fail fast.

src/engine/objects/Mob.java

@@ -1037,6 +1037,7 @@ public class Mob extends AbstractIntelligenceAgent implements Delayed {
     }
 
     public void recalculateStats() {
+
         if (this.isPlayerGuard()) {
             NPCManager.setMaxHealthForGuard(this);
             NPCManager.setAttackRatingForGuard(this);
@@ -1044,26 +1045,16 @@ public class Mob extends AbstractIntelligenceAgent implements Delayed {
             NPCManager.setDamageAndSpeedForGuard(this);
             NPCManager.applyGuardStanceModifiers(this);
         } else {
+            AbstractCharacter.calculateAtrDamageForWeapon(this, this.charItemManager.equipped.get(EquipSlotType.RHELD), true, this.charItemManager.equipped.get(EquipSlotType.LHELD));
+            AbstractCharacter.calculateAtrDefenseDamage(this);
+            calculateMaxHealthManaStamina();
+        }
+
+        calculateModifiedStats();
 
-            try {
-                AbstractCharacter.calculateAtrDamageForWeapon(this,this.charItemManager.equipped.get(EquipSlotType.RHELD),true,this.charItemManager.equipped.get(EquipSlotType.LHELD));
-                AbstractCharacter.calculateAtrDefenseDamage(this);
-            } catch (Exception e) {
-                Logger.error(this.getMobBaseID() + ":" + e);
-            }
-            try {
-                calculateMaxHealthManaStamina();
-            } catch (Exception e) {
-                Logger.error(e.getMessage());
-            }
-        }
-        try {
-            calculateModifiedStats();
-        } catch (Exception e) {
-            Logger.error(e.getMessage());
-        }
         if (this.isSiege())
             this.healthMax = 10000;
+
         Resists.calculateResists(this);
     }