diff --git a/src/server/scripts/Northrend/VioletHold/boss_lavanthor.cpp b/src/server/scripts/Northrend/VioletHold/boss_lavanthor.cpp
index aef05bd8e5a..4a7705bb984 100644
--- a/src/server/scripts/Northrend/VioletHold/boss_lavanthor.cpp
+++ b/src/server/scripts/Northrend/VioletHold/boss_lavanthor.cpp
@@ -28,70 +28,69 @@ enum Spells
     SPELL_LAVA_BURN                             = 54249
 };
 
-class boss_lavanthor : public CreatureScript
+struct boss_lavanthor : public BossAI
 {
-    public:
-        boss_lavanthor() : CreatureScript("boss_lavanthor") { }
+    boss_lavanthor(Creature* creature) : BossAI(creature, DATA_LAVANTHOR) { }
 
-        struct boss_lavanthorAI : public BossAI
+    void Reset() override
+    {
+        BossAI::Reset();
+    }
+
+    void JustEngagedWith(Unit* who) override
+    {
+        BossAI::JustEngagedWith(who);
+    }
+
+    void JustReachedHome() override
+    {
+        BossAI::JustReachedHome();
+        instance->SetData(DATA_HANDLE_CELLS, DATA_LAVANTHOR);
+    }
+
+    void UpdateAI(uint32 diff) override
+    {
+        if (!UpdateVictim())
+            return;
+
+        scheduler.Update(diff,
+            std::bind(&BossAI::DoMeleeAttackIfReady, this));
+    }
+
+    void ScheduleTasks() override
+    {
+        scheduler.Schedule(Seconds(1), [this](TaskContext task)
         {
-            boss_lavanthorAI(Creature* creature) : BossAI(creature, DATA_LAVANTHOR) { }
+            if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 40.0f, true))
+                DoCast(target, SPELL_FIREBOLT);
+            task.Repeat(Seconds(5), Seconds(13));
+        });
 
-            void JustReachedHome() override
-            {
-                BossAI::JustReachedHome();
-                instance->SetData(DATA_HANDLE_CELLS, DATA_LAVANTHOR);
-            }
-
-            void UpdateAI(uint32 diff) override
-            {
-                if (!UpdateVictim())
-                    return;
-
-                scheduler.Update(diff,
-                    std::bind(&BossAI::DoMeleeAttackIfReady, this));
-            }
-
-            void ScheduleTasks() override
-            {
-                scheduler.Schedule(Seconds(1), [this](TaskContext task)
-                {
-                    if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 40.0f, true))
-                        DoCast(target, SPELL_FIREBOLT);
-                    task.Repeat(Seconds(5), Seconds(13));
-                });
-
-                scheduler.Schedule(Seconds(5), [this](TaskContext task)
-                {
-                    DoCastVictim(SPELL_FLAME_BREATH);
-                    task.Repeat(Seconds(10), Seconds(15));
-                });
-
-                scheduler.Schedule(Seconds(10), [this](TaskContext task)
-                {
-                    if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 50.0f))
-                        DoCast(target, SPELL_LAVA_BURN);
-                    task.Repeat(Seconds(15), Seconds(23));
-                });
-
-                if (IsHeroic())
-                {
-                    scheduler.Schedule(Seconds(3), [this](TaskContext task)
-                    {
-                        DoCastAOE(SPELL_CAUTERIZING_FLAMES);
-                        task.Repeat(Seconds(10), Seconds(16));
-                    });
-                }
-            }
-        };
-
-        CreatureAI* GetAI(Creature* creature) const override
+        scheduler.Schedule(Seconds(5), [this](TaskContext task)
         {
-            return GetVioletHoldAI<boss_lavanthorAI>(creature);
+            DoCastVictim(SPELL_FLAME_BREATH);
+            task.Repeat(Seconds(10), Seconds(15));
+        });
+
+        scheduler.Schedule(Seconds(10), [this](TaskContext task)
+        {
+            if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0, 50.0f))
+                DoCast(target, SPELL_LAVA_BURN);
+            task.Repeat(Seconds(15), Seconds(23));
+        });
+
+        if (IsHeroic())
+        {
+            scheduler.Schedule(Seconds(3), [this](TaskContext task)
+            {
+                DoCastAOE(SPELL_CAUTERIZING_FLAMES);
+                task.Repeat(Seconds(10), Seconds(16));
+            });
         }
+    }
 };
 
 void AddSC_boss_lavanthor()
 {
-    new boss_lavanthor();
+    RegisterVioletHoldCreatureAI(boss_lavanthor);
 }