diff --git a/.voidbot/state/aetheria.cc b/.voidbot/state/aetheria.cc
index ef9219c2c..d68945627 100644
Binary files a/.voidbot/state/aetheria.cc and b/.voidbot/state/aetheria.cc differ
diff --git a/Assets/Scripts/ServerShared/ItemManager.cs b/Assets/Scripts/ServerShared/ItemManager.cs
index 393c7c11c..0732be49e 100644
--- a/Assets/Scripts/ServerShared/ItemManager.cs
+++ b/Assets/Scripts/ServerShared/ItemManager.cs
@@ -177,16 +177,22 @@ public class ItemManager
     // Returns stat when not equipped
     public float Evaluate(PerformanceStat stat, EquippableItem item)
     {
-        var data = GetData(item);
+        var typedItem = GetRuntimeItem(item);
+        var maxDurability = (float)(typedItem?.Durability ?? 0);
+        if (maxDurability <= 0)
+        {
+            maxDurability = Math.Max(item.Durability, 1f);
+        }
+
         var quality = pow(item.Quality, stat.QualityExponent);
         var durabilityExponent = lerp(
             GameplaySettings.DurabilityQualityMin,
             GameplaySettings.DurabilityQualityMax,
             pow(item.Quality, GameplaySettings.DurabilityQualityExponent));
-        var durability = pow(item.Durability / data.Durability, durabilityExponent * stat.DurabilityExponentMultiplier);
+        var durability = pow(item.Durability / maxDurability, durabilityExponent * stat.DurabilityExponentMultiplier);
         var result = lerp(stat.Min, stat.Max, quality * durability);
         if (float.IsNaN(result)) 
-            throw new InvalidOperationException($"Performance Stat on {data.Name} evaluating as NaN: input data is invalid! Durability: {item.Durability} / {data.Durability}");
+            throw new InvalidOperationException($"Performance Stat on {typedItem?.Name ?? item.Data?.ItemId.ToString() ?? "unknown item"} evaluating as NaN: input data is invalid! Durability: {item.Durability} / {maxDurability}");
         return result;
 
     }
diff --git a/docs/aetheria-perfect-machine-map.md b/docs/aetheria-perfect-machine-map.md
index fa220bffb..dd14f1a46 100644
--- a/docs/aetheria-perfect-machine-map.md
+++ b/docs/aetheria-perfect-machine-map.md
@@ -226,7 +226,9 @@ legacy catalog cache, and legacy UI paths should be migration-only or deleted.
   typed rows receive the generic tint instead of falling back to legacy
   `EquippableItemData.HardpointType`. Inventory HUD durability tint uses typed
   max durability only, with current runtime durability as the generic
-  denominator for incomplete typed rows.
+  denominator for incomplete typed rows. `ItemManager.Evaluate` also uses typed
+  runtime item max durability and item names when evaluating unequipped
+  performance stats.
   Inventory drag preview occupancy now projects typed item shape cells only into
   the local `Shape` grid, and final fit/equip acceptance shares the typed
   runtime catalog geometry path in `Entity.ItemFits` and `TryEquip`.
@@ -750,6 +752,9 @@ First Aetheria surfaces to publish:
      `Entity.UpdateTemperature` onto typed runtime hull rows.
    - Done: move entity default naming onto typed hull rows and delete the
      entity-level `HullData` property that only preserved legacy name hydration.
+   - Done: move unequipped `ItemManager.Evaluate` durability/name inputs onto
+     typed runtime item rows; legacy `EquippableItemData.Durability` no longer
+     owns that stat-evaluation path.
    - Done: move `Ship` drag, combat/turret predicted shot height, and thruster
      torque geometry onto typed hull facets and typed shape masks.
    - Done: delete the console `give` command instead of preserving a debug