diff --git a/webapp/models/Hero.php b/webapp/models/Hero.php
index 22f3c984..3dcdcfa1 100644
--- a/webapp/models/Hero.php
+++ b/webapp/models/Hero.php
@@ -400,6 +400,24 @@ class Hero extends BaseModel {
             $info['attack'] = ($basicMeta['vOrigAttack'] * (1 + $pAttack / $basicMeta['pBaseAttack'] + $vAttackAm)) *
                             (1 + $vAttackRateSe) * (1 + $vAttackRateIn);
         }
+        {
+            $pDefendAm = 0;
+            $pDefendAm_Add = mt\AttrHelper::getAttrVal($attr, kHAT_pDefendAm, 0);
+            $pDefendAm += $pDefendAm_Add;
+
+            $pDefendRateSe = 0;
+            $pDefendRateSe_Add = mt\AttrHelper::getAttrVal($attr, kHAT_pDefendRateSe, 0);
+            $pDefendRateSe += $pDefendRateSe_Add;
+
+            $pDefendRateIn = 0;
+            $pDefendRateIn_Add = mt\AttrHelper::getAttrVal($attr, kHAT_pDefendRateIn, 0);
+            $pDefendRateIn = (1 + $pDefendRateIn) * (1 + $pDefendRateIn_Add) - 1;
+
+            $pDefend = ($basicMeta['pOrigDefend'] + $pDefendAm) *
+                     (1 + $pDefendRateSe) * (1 + $pDefendRateIn);
+
+            $info['defence'] = $pDefend;
+        }
         {
             $pBlockAm = 0;
             $pBlockAm_Add = mt\AttrHelper::getAttrVal($attr, kHAT_vAttackRateIn, 0);