diff --git a/includes/dbtypes/item.class.php b/includes/dbtypes/item.class.php
index 881bd40f..3bd322da 100644
--- a/includes/dbtypes/item.class.php
+++ b/includes/dbtypes/item.class.php
@@ -753,6 +753,13 @@ class ItemList extends DBTypeList
                 case Stat::INTELLECT:
                 case Stat::SPIRIT:
                 case Stat::STAMINA:
+             // case Stat::ARMOR:                           // unused by 335a client, still set in item_template
+             // case Stat::FIRE_RESISTANCE:
+             // case Stat::FROST_RESISTANCE:
+             // case Stat::HOLY_RESISTANCE:
+             // case Stat::SHADOW_RESISTANCE:
+             // case Stat::NATURE_RESISTANCE:
+             // case Stat::ARCANE_RESISTANCE:
                     $x .= '<span><!--stat'.$statId.'-->'.Lang::item('statType', $type, [ord($qty > 0 ? '+' : '-'), abs($qty)]).'</span><br />';
                     break;
                 default:                                    // rating with % for reqLevel
diff --git a/includes/defines.php b/includes/defines.php
index 5084912c..4894f295 100644
--- a/includes/defines.php
+++ b/includes/defines.php
@@ -494,6 +494,15 @@ define('ITEM_MOD_SPELL_POWER',              45);
 define('ITEM_MOD_HEALTH_REGEN',             46);
 define('ITEM_MOD_SPELL_PENETRATION',        47);
 define('ITEM_MOD_BLOCK_VALUE',              48);
+// unknown by 335a client but still used by several item_templates
+// define('ITEM_MOD_MASTERY_RATING',           49);
+// define('ITEM_MOD_EXTRA_ARMOR',              50);
+// define('ITEM_MOD_FIRE_RESISTANCE',          51);
+// define('ITEM_MOD_FROST_RESISTANCE',         52);
+// define('ITEM_MOD_HOLY_RESISTANCE',          53);
+// define('ITEM_MOD_SHADOW_RESISTANCE',        54);
+// define('ITEM_MOD_NATURE_RESISTANCE',        55);
+// define('ITEM_MOD_ARCANE_RESISTANCE',        56);
 
 // Combat Ratings
 define('CR_WEAPON_SKILL',          0);
diff --git a/includes/game/chrstatistics.php b/includes/game/chrstatistics.php
index 136eeb2d..82d6d453 100644
--- a/includes/game/chrstatistics.php
+++ b/includes/game/chrstatistics.php
@@ -172,14 +172,14 @@ abstract class Stat                                         // based on g_statTo
         self::HEALTH_REGENERATION   => ['healthrgn',        ITEM_MOD_HEALTH_REGEN,             null,                   60, self::FLAG_ITEM],
         self::SPELL_PENETRATION     => ['splpen',           ITEM_MOD_SPELL_PENETRATION,        null,                   94, self::FLAG_ITEM],
         self::BLOCK                 => ['block',            ITEM_MOD_BLOCK_VALUE,              null,                   43, self::FLAG_ITEM],
-     // self::MASTERY_RTG           => ['mastrtng',         null,                              CR_MASTERY,           null, self::FLAG_NONE],
-        self::ARMOR                 => ['armor',            null,                              null,                   41, self::FLAG_ITEM],
-        self::FIRE_RESISTANCE       => ['firres',           null,                              null,                   26, self::FLAG_ITEM],
-        self::FROST_RESISTANCE      => ['frores',           null,                              null,                   28, self::FLAG_ITEM],
-        self::HOLY_RESISTANCE       => ['holres',           null,                              null,                   30, self::FLAG_ITEM],
-        self::SHADOW_RESISTANCE     => ['shares',           null,                              null,                   29, self::FLAG_ITEM],
-        self::NATURE_RESISTANCE     => ['natres',           null,                              null,                   27, self::FLAG_ITEM],
-        self::ARCANE_RESISTANCE     => ['arcres',           null,                              null,                   25, self::FLAG_ITEM],
+     // self::MASTERY_RTG           => ['mastrtng',         ITEM_MOD_MASTERY_RATING,           CR_MASTERY,           null, self::FLAG_NONE],
+        self::ARMOR                 => ['armor',            null,/*ITEM_MOD_EXTRA_ARMOR      */null,                   41, self::FLAG_ITEM],
+        self::FIRE_RESISTANCE       => ['firres',           null,/*ITEM_MOD_FIRE_RESISTANCE  */null,                   26, self::FLAG_ITEM],
+        self::FROST_RESISTANCE      => ['frores',           null,/*ITEM_MOD_FROST_RESISTANCE */null,                   28, self::FLAG_ITEM],
+        self::HOLY_RESISTANCE       => ['holres',           null,/*ITEM_MOD_HOLY_RESISTANCE  */null,                   30, self::FLAG_ITEM],
+        self::SHADOW_RESISTANCE     => ['shares',           null,/*ITEM_MOD_SHADOW_RESISTANCE*/null,                   29, self::FLAG_ITEM],
+        self::NATURE_RESISTANCE     => ['natres',           null,/*ITEM_MOD_NATURE_RESISTANCE*/null,                   27, self::FLAG_ITEM],
+        self::ARCANE_RESISTANCE     => ['arcres',           null,/*ITEM_MOD_ARCANE_RESISTANCE*/null,                   25, self::FLAG_ITEM],
         self::FIRE_SPELL_POWER      => ['firsplpwr',        null,                              null,                   53, self::FLAG_ITEM],
         self::FROST_SPELL_POWER     => ['frosplpwr',        null,                              null,                   54, self::FLAG_ITEM],
         self::HOLY_SPELL_POWER      => ['holsplpwr',        null,                              null,                   55, self::FLAG_ITEM],