diff --git a/apps/openmw/mwclass/npc.cpp b/apps/openmw/mwclass/npc.cpp
index d54b9441d2..2570408f78 100644
--- a/apps/openmw/mwclass/npc.cpp
+++ b/apps/openmw/mwclass/npc.cpp
@@ -343,4 +343,26 @@ namespace MWClass
 
         return weight;
     }
+
+    bool Npc::apply (const MWWorld::Ptr& ptr, const std::string& id,
+        const MWWorld::Ptr& actor) const
+    {
+        MWMechanics::CreatureStats& stats = getCreatureStats (ptr);
+
+        /// \todo consider instant effects
+
+        return stats.mActiveSpells.addSpell (id);
+    }
+
+    void Npc::skillUsageSucceeded (const MWWorld::Ptr& ptr, int skill, int usageType) const
+    {
+        MWMechanics::NpcStats& stats = getNpcStats (ptr);
+
+        MWWorld::LiveCellRef<ESM::NPC> *ref = ptr.get<ESM::NPC>();
+
+        const ESM::Class *class_ = MWBase::Environment::get().getWorld()->getStore().classes.find (
+            ref->base->cls);
+
+        stats.useSkill (skill, *class_, usageType);
+    }
 }
diff --git a/apps/openmw/mwclass/npc.hpp b/apps/openmw/mwclass/npc.hpp
index 4cb733977e..74a80c0857 100644
--- a/apps/openmw/mwclass/npc.hpp
+++ b/apps/openmw/mwclass/npc.hpp
@@ -76,6 +76,15 @@ namespace MWClass
             ///< Returns total weight of objects inside this object (including modifications from magic
             /// effects). Throws an exception, if the object can't hold other objects.
 
+            virtual bool apply (const MWWorld::Ptr& ptr, const std::string& id,
+                const MWWorld::Ptr& actor) const;
+            ///< Apply \a id on \a ptr.
+            /// \param actor Actor that is resposible for the ID being applied to \a ptr.
+            /// \return Any effect?
+
+            virtual void skillUsageSucceeded (const MWWorld::Ptr& ptr, int skill, int usageType) const;
+            ///< Inform actor \a ptr that a skill use has succeeded.
+
             static void registerSelf();
     };
 }