Scripts/Pet: Lil' K.T

Port From (https://github.com/TrinityCore/TrinityCore/commit/74174332c6f8f8cda136c2804bad6c665724185d)

Source/Scripts/Pets/Generic.cs

@@ -33,6 +33,10 @@ namespace Scripts.Pets
             //SoulTrader
             public const uint EtherealOnSummon = 50052;
             public const uint EtherealPetRemoveAura = 50055;
+
+            //LichPet
+            public const uint LichOnSummon = 69735;
+            public const uint LichRemoveAura = 69736;
         }
 
         struct TextIds
@@ -67,5 +71,27 @@ namespace Scripts.Pets
                 base.JustAppeared();
             }
         }
+
+        [Script]
+        class npc_pet_lich : ScriptedAI
+        {
+            public npc_pet_lich(Creature creature) : base(creature) { }
+
+            public override void LeavingWorld()
+            {
+                Unit owner = me.GetOwner();
+                if (owner !=  null)
+                    DoCast(owner, SpellIds.LichRemoveAura);
+            }
+
+            public override void JustAppeared()
+            {
+                Unit owner = me.GetOwner();
+                if (owner != null)
+                    DoCast(owner, SpellIds.LichOnSummon);
+
+                base.JustAppeared();
+            }
+        }
     }
 }

Source/Scripts/Spells/Generic.cs

@@ -133,6 +133,10 @@ namespace Scripts.Spells.Generic
         // Interrupt
         public const uint GenThrowInterrupt = 32747;
 
+        // LichPet
+        public const uint LichPetAura = 69732;
+        public const uint LichPetAuraOnkill = 69731;
+
         // Genericlifebloomspells        
         public const uint HexlordMalacrass = 43422;
         public const uint TurragePaw = 52552;
@@ -357,6 +361,9 @@ namespace Scripts.Spells.Generic
         public const uint Trollbane = 161707;
         public const uint Whitemane = 161708;
         public const uint Morgaine = 161709;
+
+        // LichPet
+        public const uint LichPet = 36979;
     }
 
     struct ModelIds
@@ -2148,6 +2155,66 @@ namespace Scripts.Spells.Generic
         }
     }
 
+    [Script] // 69732 - Lich Pet Aura
+    class spell_gen_lich_pet_aura : AuraScript
+    {
+        bool CheckProc(ProcEventInfo eventInfo)
+        {
+            return eventInfo.GetProcTarget().IsPlayer();
+        }
+
+        void HandleProc(AuraEffect aurEff, ProcEventInfo eventInfo)
+        {
+            PreventDefaultAction();
+
+            List<TempSummon> minionList = new();
+            GetUnitOwner().GetAllMinionsByEntry(minionList, CreatureIds.LichPet);
+            foreach (Creature minion in minionList)
+                if (minion.IsAIEnabled())
+                    minion.GetAI().DoCastSelf(SpellIds.LichPetAuraOnkill);
+        }
+
+        public override void Register()
+        {
+            DoCheckProc.Add(new CheckProcHandler(CheckProc));
+            OnEffectProc.Add(new EffectProcHandler(HandleProc, 0, AuraType.ProcTriggerSpell));
+        }
+    }
+
+    [Script] // 69735 - Lich Pet OnSummon
+    class spell_gen_lich_pet_onsummon : SpellScript
+    {
+        public override bool Validate(SpellInfo spellInfo)
+        {
+            return ValidateSpellInfo(SpellIds.LichPetAura);
+        }
+
+        void HandleScriptEffect(uint effIndex)
+        {
+            Unit target = GetHitUnit();
+            target.CastSpell(target, SpellIds.LichPetAura, true);
+        }
+
+        public override void Register()
+        {
+            OnEffectHitTarget.Add(new EffectHandler(HandleScriptEffect, 0, SpellEffectName.ScriptEffect));
+        }
+    }
+
+    [Script] // 69736 - Lich Pet Aura Remove
+    class spell_gen_lich_pet_aura_remove : SpellScript
+    {
+        void HandleScriptEffect(uint effIndex)
+        {
+            GetHitUnit().RemoveAurasDueToSpell(SpellIds.LichPetAura);
+        }
+
+        public override void Register()
+        {
+            OnEffectHitTarget.Add(new EffectHandler(HandleScriptEffect, 0, SpellEffectName.ScriptEffect));
+        }
+    }
+    
     [Script("spell_hexlord_lifebloom", SpellIds.HexlordMalacrass)]
     [Script("spell_tur_ragepaw_lifebloom", SpellIds.TurragePaw)]
     [Script("spell_cenarion_scout_lifebloom", SpellIds.CenarionScout)]