diff --git a/sql/updates/world/4.3.4/2021_02_25_02_world.sql b/sql/updates/world/4.3.4/2021_02_25_02_world.sql
new file mode 100644
index 00000000000..ad96137102e
--- /dev/null
+++ b/sql/updates/world/4.3.4/2021_02_25_02_world.sql
@@ -0,0 +1,43 @@
+-- Creature Twilight Crossfire 45264 SAI
+SET @ENTRY := 45264;
+UPDATE `creature_template` SET `AIName`="SmartAI" WHERE `entry`= @ENTRY;
+DELETE FROM `smart_scripts` WHERE `entryorguid`=@ENTRY AND `source_type`=0;
+INSERT INTO `smart_scripts` (`entryorguid`, `source_type`, `id`, `link`, `event_type`, `event_phase_mask`, `event_chance`, `event_flags`, `event_param1`, `event_param2`, `event_param3`, `event_param4`, `action_type`, `action_param1`, `action_param2`, `action_param3`, `action_param4`, `action_param5`, `action_param6`, `target_type`, `target_param1`, `target_param2`, `target_param3`, `target_x`, `target_y`, `target_z`, `target_o`, `comment`) VALUES
+(@ENTRY, 0, 0, 0, 0, 0, 100, 0, 800, 800, 2000, 2000, 11, 84837, 64, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, "Update (In Combat) 800 min and 800 max ms (repeat 2000 min 2000 max ms) - Self: Cast spell Shoot (84837) on Victim // "),
+(@ENTRY, 0, 1, 0, 0, 0, 100, 0, 18000, 19000, 36000, 38000, 11, 36828, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "Update (In Combat) 18000 min and 19000 max ms (repeat 36000 min 38000 max ms) - Self: Cast spell Rapid Fire (36828) on Self // "),
+(@ENTRY, 0, 2, 0, 0, 0, 100, 0, 22000, 24000, 11000, 12000, 11, 90488, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, "Update (In Combat) 22000 min and 24000 max ms (repeat 11000 min 12000 max ms) - Self: Cast spell Wyvern Sting (90488) on Random hostile // "),
+(@ENTRY, 0, 3, 0, 0, 0, 100, 0, 26000, 26000, 13000, 15000, 11, 84836, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, "Update (In Combat) 26000 min and 26000 max ms (repeat 13000 min 15000 max ms) - Self: Cast spell Multi-Shot (84836) on Victim // ");
+
+-- Creature Twilight Shadow Knight 45261 SAI
+SET @ENTRY := 45261;
+UPDATE `creature_template` SET `AIName`="SmartAI" WHERE `entry`= @ENTRY;
+DELETE FROM `smart_scripts` WHERE `entryorguid`=@ENTRY AND `source_type`=0;
+INSERT INTO `smart_scripts` (`entryorguid`, `source_type`, `id`, `link`, `event_type`, `event_phase_mask`, `event_chance`, `event_flags`, `event_param1`, `event_param2`, `event_param3`, `event_param4`, `action_type`, `action_param1`, `action_param2`, `action_param3`, `action_param4`, `action_param5`, `action_param6`, `target_type`, `target_param1`, `target_param2`, `target_param3`, `target_x`, `target_y`, `target_z`, `target_o`, `comment`) VALUES
+(@ENTRY, 0, 0, 0, 0, 0, 100, 0, 6000, 6000, 6000, 6000, 11, 78660, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, "Update (In Combat) 6000 min and 6000 max ms (repeat 6000 min 6000 max ms) - Self: Cast spell Devastate (78660) on Victim // "),
+(@ENTRY, 0, 1, 0, 0, 0, 100, 0, 15000, 16000, 30000, 32000, 11, 84832, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, "Update (In Combat) 15000 min and 16000 max ms (repeat 30000 min 32000 max ms) - Self: Cast spell Dismantle (84832) on Victim // ");
+
+-- Creature Twilight Dark Mender 45266 SAI
+SET @ENTRY := 45266;
+UPDATE `creature_template` SET `AIName`="SmartAI" WHERE `entry`= @ENTRY;
+DELETE FROM `smart_scripts` WHERE `entryorguid`=@ENTRY AND `source_type`=0;
+INSERT INTO `smart_scripts` (`entryorguid`, `source_type`, `id`, `link`, `event_type`, `event_phase_mask`, `event_chance`, `event_flags`, `event_param1`, `event_param2`, `event_param3`, `event_param4`, `event_param5`, `action_type`, `action_param1`, `action_param2`, `action_param3`, `action_param4`, `action_param5`, `action_param6`, `target_type`, `target_param1`, `target_param2`, `target_param3`, `target_x`, `target_y`, `target_z`, `target_o`, `comment`) VALUES
+(@ENTRY, 0, 0, 0, 74, 0, 100, 0, 0, 90, 60, 2400, 2400, 11, 84855, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, "When friendly unit has HP between 0% - 90% (check every 2400 - 2400 ms) - Self: Cast spell Dark Mending (84855) on Action invoker // ");
+
+-- Creature Twilight Dark Mender 45266 SAI
+SET @ENTRY := 45266;
+UPDATE `creature_template` SET `AIName`="SmartAI" WHERE `entry`= @ENTRY;
+DELETE FROM `smart_scripts` WHERE `entryorguid`=@ENTRY AND `source_type`=0;
+INSERT INTO `smart_scripts` (`entryorguid`, `source_type`, `id`, `link`, `event_type`, `event_phase_mask`, `event_chance`, `event_flags`, `event_param1`, `event_param2`, `event_param3`, `event_param4`, `event_param5`, `action_type`, `action_param1`, `action_param2`, `action_param3`, `action_param4`, `action_param5`, `action_param6`, `target_type`, `target_param1`, `target_param2`, `target_param3`, `target_x`, `target_y`, `target_z`, `target_o`, `comment`) VALUES
+(@ENTRY, 0, 0, 0, 74, 0, 100, 0, 0, 90, 60, 2400, 2400, 11, 84855, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, "When friendly unit has HP between 0% - 90% (check every 2400 - 2400 ms) - Self: Cast spell Dark Mending (84855) on Action invoker // "),
+(@ENTRY, 0, 1, 0, 0, 0, 100, 0, 10000, 12000, 12000, 12000, 0, 11, 84856, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "Update (In Combat) 10000 min and 12000 max ms (repeat 12000 min 12000 max ms) - Self: Cast spell Hungering Shadows (84856) on Self // ");
+
+-- Creature Twilight Soul Blade 45265 SAI
+SET @ENTRY := 45265;
+UPDATE `creature_template` SET `AIName`="SmartAI" WHERE `entry`= @ENTRY;
+DELETE FROM `smart_scripts` WHERE `entryorguid`=@ENTRY AND `source_type`=0;
+INSERT INTO `smart_scripts` (`entryorguid`, `source_type`, `id`, `link`, `event_type`, `event_phase_mask`, `event_chance`, `event_flags`, `event_param1`, `event_param2`, `event_param3`, `event_param4`, `action_type`, `action_param1`, `action_param2`, `action_param3`, `action_param4`, `action_param5`, `action_param6`, `target_type`, `target_param1`, `target_param2`, `target_param3`, `target_x`, `target_y`, `target_z`, `target_o`, `comment`) VALUES
+(@ENTRY, 0, 0, 0, 0, 0, 100, 0, 8000, 10000, 8000, 10000, 11, 84853, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, "Update (In Combat) 8000 min and 10000 max ms (repeat 8000 min 10000 max ms) - Self: Cast spell Dark Pool (84853) on Random hostile // ");
+
+DELETE FROM `spell_script_names` WHERE `ScriptName`= 'spell_bot_wyvern_sting';
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(90488, 'spell_bot_wyvern_sting');
diff --git a/src/server/game/Spells/SpellMgr.cpp b/src/server/game/Spells/SpellMgr.cpp
index b254054806d..f37aedd29c8 100644
--- a/src/server/game/Spells/SpellMgr.cpp
+++ b/src/server/game/Spells/SpellMgr.cpp
@@ -4382,6 +4382,12 @@ void SpellMgr::LoadSpellInfoCorrections()
         spellInfo->MaxAffectedTargets = 1;
     });
 
+    // Hungering Shadows
+    ApplySpellFix({ 84856 }, [](SpellInfo* spellInfo)
+    {
+        spellInfo->MaxAffectedTargets = 3;
+    });
+
     // ENDOF BASTION OF TWILIGHT
 
     //
diff --git a/src/server/scripts/EasternKingdoms/BastionOfTwilight/bastion_of_twilight.cpp b/src/server/scripts/EasternKingdoms/BastionOfTwilight/bastion_of_twilight.cpp
index 27243548506..2273e048a18 100644
--- a/src/server/scripts/EasternKingdoms/BastionOfTwilight/bastion_of_twilight.cpp
+++ b/src/server/scripts/EasternKingdoms/BastionOfTwilight/bastion_of_twilight.cpp
@@ -135,6 +135,27 @@ struct npc_bot_chogall final : public NullCreatureAI
     }
 };
 
+static constexpr uint32 const SPELL_WYVERN_STING_PERIODIC = 24336;
+
+class spell_bot_wyvern_sting : public AuraScript
+{
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_WYVERN_STING_PERIODIC });
+    }
+
+    void HandleAfterRemove(AuraEffect const* aurEff, AuraEffectHandleModes /*mode*/)
+    {
+        if (Unit* caster = GetCaster())
+            caster->CastSpell(GetTarget(), SPELL_WYVERN_STING_PERIODIC, CastSpellExtraArgs(true).AddSpellBP0(aurEff->GetAmount()));
+    }
+
+    void Register() override
+    {
+        AfterEffectRemove.Register(&spell_bot_wyvern_sting::HandleAfterRemove, EFFECT_0, SPELL_AURA_MOD_STUN, AURA_EFFECT_HANDLE_REAL);
+    }
+};
+
 class at_bot_intro_events final : public OnlyOnceAreaTriggerScript
 {
 public:
@@ -154,6 +175,7 @@ void AddSC_bastion_of_twilight()
 {
     RegisterBastionOfTwilightCreatureAI(npc_bot_invisible_stalker_phase_twist);
     RegisterBastionOfTwilightCreatureAI(npc_bot_chogall);
+    RegisterSpellScript(spell_bot_wyvern_sting);
     new at_bot_intro_events("at_halfus_wyrmbreaker_intro", DATA_AT_HALFUS_WYRMBREAKER_INTRO);
     new at_bot_intro_events("at_theralion_and_valiona_intro", DATA_AT_THERALION_AND_VALIONA_INTRO);
     new at_bot_intro_events("at_ascendant_council_intro_1", DATA_AT_ASCENDANT_COUNCIL_INTRO_1);