diff --git a/.voidbot/state/aetheria.cc b/.voidbot/state/aetheria.cc
index 21d152db9..fd5dbed1b 100644
Binary files a/.voidbot/state/aetheria.cc and b/.voidbot/state/aetheria.cc differ
diff --git a/Aetheria.State/README.md b/Aetheria.State/README.md
index 45a6c2e4d..a4e1e2bce 100644
--- a/Aetheria.State/README.md
+++ b/Aetheria.State/README.md
@@ -170,8 +170,10 @@ values. Broader runtime object graphs, typed behavior factory construction, and
 behavior-private simulation state remain legacy until dedicated typed runtime
 documents exist. Live behavior instances expose typed behavior kind and group
 through `Behavior.Kind` and `Behavior.Group`; the remaining
-`RuntimeBehaviorConfig` objects are construction configs, not runtime identity
-owners. `ItemManager` currently owns the explicit typed-payload-to-config bridge.
+`RuntimeBehaviorConfig` objects are private construction configs, not runtime
+identity owners or a public behavior API. Stat modifiers ask live behavior
+instances for target stats instead of reading behavior config objects directly.
+`ItemManager` currently owns the explicit typed-payload-to-config bridge.
 Typed name-file documents are `aetheria.name_file.v2` records. They carry the
 legacy ID, display name, count, compact sample names for surfaces, and the full
 name array needed to move `Galaxy`/Markov name generation off legacy
diff --git a/Assets/Scripts/ServerShared/Behaviors/Behaviors.cs b/Assets/Scripts/ServerShared/Behaviors/Behaviors.cs
index 9e422182c..6c72328ce 100644
--- a/Assets/Scripts/ServerShared/Behaviors/Behaviors.cs
+++ b/Assets/Scripts/ServerShared/Behaviors/Behaviors.cs
@@ -12,7 +12,7 @@ using static Unity.Mathematics.noise;
 
 public abstract class Behavior
 {
-    public RuntimeBehaviorConfig Config { get; }
+    private readonly RuntimeBehaviorConfig _config;
     public string Kind { get; }
     public int Group { get; }
     public EquippedItem Item { get; }
@@ -46,7 +46,7 @@ public abstract class Behavior
 
     protected Behavior(RuntimeBehaviorConfig config, EquippedItem item)
     {
-        Config = config;
+        _config = config;
         Kind = config?.Kind ?? "";
         Group = config?.Group ?? 0;
         Item = item;
@@ -55,7 +55,7 @@ public abstract class Behavior
 
     protected Behavior(RuntimeBehaviorConfig config, ConsumableItemEffect consumable)
     {
-        Config = config;
+        _config = config;
         Kind = config?.Kind ?? "";
         Group = config?.Group ?? 0;
         Consumable = consumable;
@@ -63,6 +63,23 @@ public abstract class Behavior
     }
 
     public float Evaluate(PerformanceStat stat) => Item?.Evaluate(stat) ?? Consumable.Evaluate(stat);
+
+    public bool TryGetPerformanceStat(string statName, out PerformanceStat stat)
+    {
+        stat = null;
+        if (_config == null || string.IsNullOrWhiteSpace(statName))
+        {
+            return false;
+        }
+
+        var statField = _config
+            .GetType()
+            .GetFields()
+            .FirstOrDefault(field => field.FieldType == typeof(PerformanceStat) && field.Name == statName);
+        stat = statField?.GetValue(_config) as PerformanceStat;
+        return stat != null;
+    }
+
     protected void AddHeat(float heat) => Item?.AddHeat(heat); // TODO: Heat for Consumables
 
     protected void CauseDamage(float damage)
diff --git a/Assets/Scripts/ServerShared/Behaviors/StatModifier.cs b/Assets/Scripts/ServerShared/Behaviors/StatModifier.cs
index 74d8162e7..93920cde4 100644
--- a/Assets/Scripts/ServerShared/Behaviors/StatModifier.cs
+++ b/Assets/Scripts/ServerShared/Behaviors/StatModifier.cs
@@ -18,7 +18,6 @@ public class StatModifierConfig : RuntimeBehaviorConfig
     [Inspectable]
     public StatModifierType Type;
 
-    [InspectableType(typeof(RuntimeBehaviorConfig))]
     public string RequireBehavior;
 
     public override Behavior CreateInstance(EquippedItem item)
@@ -69,14 +68,7 @@ public class StatModifier : Behavior, IInitializableBehavior, IDisposable, IAlwa
 
     private PerformanceStat FindTargetStat(Behavior behavior)
     {
-        var data = behavior.Config;
-        var statField = data
-            .GetType()
-            .GetFields()
-            .Where(f => f.FieldType == typeof(PerformanceStat))
-            .FirstOrDefault(f => f.Name == _data.Stat.Stat);
-
-        return statField?.GetValue(data) as PerformanceStat;
+        return behavior.TryGetPerformanceStat(_data.Stat.Stat, out var stat) ? stat : null;
     }
 
     private static bool BehaviorKindMatches(string runtimeKind, string expectedKind)
@@ -153,7 +145,6 @@ public enum StatModifierType
 [Inspectable]
 public class StatReference
 {
-    [InspectableType(typeof(RuntimeBehaviorConfig))]
     public string Target;
 
     [Inspectable]
diff --git a/Assets/Scripts/ServerShared/RuntimeProjection/Attributes.cs b/Assets/Scripts/ServerShared/RuntimeProjection/Attributes.cs
index f14fccd1b..206a819d7 100644
--- a/Assets/Scripts/ServerShared/RuntimeProjection/Attributes.cs
+++ b/Assets/Scripts/ServerShared/RuntimeProjection/Attributes.cs
@@ -49,16 +49,6 @@ public class InspectableRangedIntAttribute : PreferredInspectorAttribute
     }
 }
 
-public class InspectableTypeAttribute : PreferredInspectorAttribute
-{
-    public readonly Type Type;
-
-    public InspectableTypeAttribute(Type type)
-    {
-        Type = type;
-    }
-}
-
 public class OrderAttribute : Attribute
 {
     public int Order;
diff --git a/docs/aetheria-perfect-machine-map.md b/docs/aetheria-perfect-machine-map.md
index 54b7f5295..32baf62d3 100644
--- a/docs/aetheria-perfect-machine-map.md
+++ b/docs/aetheria-perfect-machine-map.md
@@ -243,7 +243,9 @@ legacy catalog cache, and legacy UI paths should be migration-only or deleted.
   `StatModifier` requirement and stat-target lookup now inspects
   the live equipped behavior instances and asks package-owned typed behavior
   metadata for kind/family matching, not a freshly rebuilt config list or a
-  behavior-local class taxonomy. The unused `TradeMenuDebug` script has been
+  behavior-local class taxonomy. Live behaviors no longer expose their
+  construction config object as a public runtime authority; stat targeting now
+  crosses a behavior-owned stat lookup. The unused `TradeMenuDebug` script has been
   deleted instead of preserving an old uGUI debug path that
   turned typed trade rows back into legacy `ItemData` objects. That hydration
   now comes from typed state, not `AetherDB.msgpack`. The surviving trade menu
@@ -1402,9 +1404,12 @@ First Aetheria surfaces to publish:
      construction machinery.
    - Done: rename the temporary behavior construction DTO family from
      `BehaviorData`/`*Data` to `RuntimeBehaviorConfig`/`*Config`; live
-     `Behavior` instances expose `Config`, while typed behavior kind strings
-     such as `Cockpit`, `TurretController`, and `Capacitor` remain stable
-     catalog facts rather than class-name-derived selectors.
+     `Behavior` instances expose typed kind/group values while typed behavior
+     kind strings such as `Cockpit`, `TurretController`, and `Capacitor` remain
+     stable catalog facts rather than class-name-derived selectors.
+   - Done: remove the public `Behavior.Config` runtime API; stat modifiers ask
+     behavior instances for target performance stats instead of reflecting over
+     exposed construction config objects.
    - Done: replace `ItemManager` behavior config reflection with an explicit
      typed behavior-kind mapper.
    - Done: delete `LegacyPayloadKeyAttribute` from live Unity source after