diff --git a/server/gameserver/ability.cc b/server/gameserver/ability.cc
index 5df7b1ad..59f179d5 100644
--- a/server/gameserver/ability.cc
+++ b/server/gameserver/ability.cc
@@ -7,6 +7,51 @@
 #include "mt/Equip.h"
 #include "mt/Buff.h"
 
+struct AttrAbsPtr
+{
+    struct AttrAbs* data;
+    AttrAbsPtr(AttrAbs* data) { this->data = data; };
+};
+
+struct AttrAbs
+{
+    list_head entry;
+    int attr_id;
+    float value;
+    std::shared_ptr<AttrAbsPtr> ptr;
+
+    AttrAbs(int attr_id, float value)
+    {
+        this->attr_id = attr_id;
+        this->value = value;
+        INIT_LIST_HEAD(&entry);
+        ptr = std::make_shared<AttrAbsPtr>(this);
+    }
+
+};
+
+struct AttrRatePtr
+{
+    struct AttrRate* data;
+    AttrRatePtr(AttrRate* data) { this->data = data; };
+};
+
+struct AttrRate
+{
+    list_head entry;
+    int attr_id;
+    float value;
+    std::shared_ptr<AttrRatePtr> ptr;
+
+    AttrRate(int attr_id, float value)
+    {
+        this->attr_id = attr_id;
+        this->value = value;
+        INIT_LIST_HEAD(&entry);
+        ptr = std::make_shared<AttrRatePtr>(this);
+    }
+};
+
 struct AttrAdditionPtr
 {
     struct AttrAddition* data;