diff --git a/src/server/scripts/Outland/TempestKeep/botanica/boss_high_botanist_freywinn.cpp b/src/server/scripts/Outland/TempestKeep/botanica/boss_high_botanist_freywinn.cpp
index d046864c1..3af92dd8a 100644
--- a/src/server/scripts/Outland/TempestKeep/botanica/boss_high_botanist_freywinn.cpp
+++ b/src/server/scripts/Outland/TempestKeep/botanica/boss_high_botanist_freywinn.cpp
@@ -40,121 +40,84 @@ enum Spells
     SPELL_PLANT_RED             = 34763
 };
 
-enum Misc
+enum Npcs
 {
-    NPC_FRAYER                  = 19953,
-
-    EVENT_SUMMON_SEEDLING       = 1,
-    EVENT_TREE_FORM             = 2,
-    EVENT_CHECK_FRAYERS         = 3,
-    EVENT_RESTORE_COMBAT        = 4
+    NPC_FRAYER                  = 19953
 };
 
-class boss_high_botanist_freywinn : public CreatureScript
+struct boss_high_botanist_freywinn : public BossAI
 {
-public:
-    boss_high_botanist_freywinn() : CreatureScript("boss_high_botanist_freywinn")
+    boss_high_botanist_freywinn(Creature* creature) : BossAI(creature, DATA_HIGH_BOTANIST_FREYWINN) { }
+
+    void EnterCombat(Unit* /*who*/) override
     {
-    }
+        _EnterCombat();
+        Talk(SAY_AGGRO);
 
-    struct boss_high_botanist_freywinnAI : public BossAI
-    {
-        boss_high_botanist_freywinnAI(Creature* creature) : BossAI(creature, DATA_HIGH_BOTANIST_FREYWINN) { }
-
-        void Reset() override
+        scheduler.Schedule(6s, [this](TaskContext context)
         {
-            _Reset();
-        }
-
-        void EnterCombat(Unit* /*who*/) override
-        {
-            _EnterCombat();
-            Talk(SAY_AGGRO);
-
-            events.ScheduleEvent(EVENT_SUMMON_SEEDLING, 6000);
-            events.ScheduleEvent(EVENT_TREE_FORM, 30000);
-        }
-
-        void KilledUnit(Unit* victim) override
-        {
-            if (victim->GetTypeId() == TYPEID_PLAYER)
-                Talk(SAY_KILL);
-        }
-
-        void JustDied(Unit* /*killer*/) override
-        {
-            Talk(SAY_DEATH);
-            _JustDied();
-        }
-
-        void SummonedCreatureDies(Creature* summon, Unit*) override
-        {
-            summons.Despawn(summon);
-        }
-
-        void UpdateAI(uint32 diff) override
-        {
-            if (!UpdateVictim())
-                return;
-
-            events.Update(diff);
-            if (!events.IsInPhase(1) && me->HasUnitState(UNIT_STATE_CASTING))
-                return;
-
-            switch (events.ExecuteEvent())
+            if (roll_chance_i(20))
             {
-                case EVENT_SUMMON_SEEDLING:
-                    if (roll_chance_i(20))
-                        Talk(SAY_OOC_RANDOM);
-                    me->CastSpell(me, RAND(SPELL_PLANT_WHITE, SPELL_PLANT_GREEN, SPELL_PLANT_BLUE, SPELL_PLANT_RED), false);
-                    events.ScheduleEvent(EVENT_SUMMON_SEEDLING, 6000);
-                    break;
-                case EVENT_TREE_FORM:
-                    events.Reset();
-                    events.SetPhase(1);
-                    events.ScheduleEvent(EVENT_CHECK_FRAYERS, 1000);
-                    events.ScheduleEvent(EVENT_TREE_FORM, 75000);
-                    events.ScheduleEvent(EVENT_RESTORE_COMBAT, 46000);
-
-                    Talk(SAY_TREE);
-                    me->RemoveAllAuras();
-                    me->GetMotionMaster()->MoveIdle();
-                    me->GetMotionMaster()->Clear(false);
-
-                    me->CastSpell(me, SPELL_SUMMON_FRAYER, true);
-                    me->CastSpell(me, SPELL_TRANQUILITY, true);
-                    me->CastSpell(me, SPELL_TREE_FORM, true);
-                    break;
-                case EVENT_RESTORE_COMBAT:
-                    events.SetPhase(0);
-                    events.ScheduleEvent(EVENT_SUMMON_SEEDLING, 6000);
-                    me->GetMotionMaster()->MoveChase(me->GetVictim());
-                    break;
-                case EVENT_CHECK_FRAYERS:
-                    if (!summons.HasEntry(NPC_FRAYER))
-                    {
-                        me->InterruptNonMeleeSpells(true);
-                        me->RemoveAllAuras();
-                        events.RescheduleEvent(EVENT_RESTORE_COMBAT, 0);
-                        events.RescheduleEvent(EVENT_TREE_FORM, 30000);
-                        break;
-                    }
-                    events.ScheduleEvent(EVENT_CHECK_FRAYERS, 500);
-                    break;
+                Talk(SAY_OOC_RANDOM);
             }
 
-            if (!events.IsInPhase(1))
-                DoMeleeAttackIfReady();
-        }
-    };
+            DoCastAOE(RAND(SPELL_PLANT_WHITE, SPELL_PLANT_GREEN, SPELL_PLANT_BLUE, SPELL_PLANT_RED));
+            context.Repeat();
+        }).Schedule(30s, [this](TaskContext context)
+        {
+            scheduler.CancelAll();
 
-    CreatureAI* GetAI(Creature* creature) const override
+            Talk(SAY_TREE);
+            me->RemoveAllAuras();
+            me->GetMotionMaster()->MoveIdle();
+            me->GetMotionMaster()->Clear(false);
+
+            DoCastSelf(SPELL_SUMMON_FRAYER, true);
+            DoCastSelf(SPELL_TRANQUILITY, true);
+            DoCastSelf(SPELL_TREE_FORM, true);
+
+            scheduler.Schedule(45s, [this](TaskContext)
+            {
+                ResumeEncounter();
+            });
+
+            context.Repeat(75s);
+        });
+    }
+
+    void ResumeEncounter()
     {
-        return GetTheBotanicaAI<boss_high_botanist_freywinnAI>(creature);
+        me->GetMotionMaster()->MoveChase(me->GetVictim());
+        me->RemoveAurasDueToSpell(SPELL_TREE_FORM);
+        me->InterruptNonMeleeSpells(false);
+    }
+
+    void KilledUnit(Unit* victim) override
+    {
+        if (victim->IsPlayer())
+        {
+            Talk(SAY_KILL);
+        }
+    }
+
+    void JustDied(Unit* /*killer*/) override
+    {
+        Talk(SAY_DEATH);
+        _JustDied();
+    }
+
+    void SummonedCreatureDies(Creature* summon, Unit*) override
+    {
+        summons.Despawn(summon);
+
+        if (!summons.HasEntry(NPC_FRAYER))
+        {
+            ResumeEncounter();
+        }
     }
 };
 
 void AddSC_boss_high_botanist_freywinn()
 {
-    new boss_high_botanist_freywinn();
+    RegisterTheBotanicaCreatureAI(boss_high_botanist_freywinn);
 }