diff --git a/data/sql/updates/pending_db_world/rev_1716655119634919952.sql b/data/sql/updates/pending_db_world/rev_1716655119634919952.sql
new file mode 100644
index 00000000000000..38cbe1cc4ccd2b
--- /dev/null
+++ b/data/sql/updates/pending_db_world/rev_1716655119634919952.sql
@@ -0,0 +1,4 @@
+--
+DELETE FROM `creature_text` WHERE (`CreatureID` = 22515) AND (`GroupID` = 19);
+INSERT INTO `creature_text` (`CreatureID`, `GroupID`, `ID`, `Text`, `Type`, `Language`, `Probability`, `Emote`, `Duration`, `Sound`, `BroadcastTextId`, `TextRange`, `comment`) VALUES
+(22515, 19, 0, 'The Ancient Gate of the Keepers unlocks!', 41, 0, 100, 0, 0, 0, 34401, 0, 'Ulduar - The Ancient Gate of the Keepers unlocks!');
diff --git a/src/server/scripts/Northrend/Ulduar/Ulduar/instance_ulduar.cpp b/src/server/scripts/Northrend/Ulduar/Ulduar/instance_ulduar.cpp
index 53655941a44751..6483985e58dc32 100644
--- a/src/server/scripts/Northrend/Ulduar/Ulduar/instance_ulduar.cpp
+++ b/src/server/scripts/Northrend/Ulduar/Ulduar/instance_ulduar.cpp
@@ -127,6 +127,9 @@ class instance_ulduar : public InstanceMapScript
         ObjectGuid m_brannBronzebeardBaseCamp;
         uint32 m_algalonTimer;
 
+        // Ancient Gate
+        const Position triggerAncientGatePosition = { 1883.65f, 269.272f, 418.406f };
+
         // Shared
         EventMap _events;
         bool m_mimironTramUsed;
@@ -671,8 +674,17 @@ class instance_ulduar : public InstanceMapScript
                     m_auiEncounter[type] = data;
                     if (GetData(TYPE_MIMIRON) == DONE && GetData(TYPE_FREYA) == DONE && GetData(TYPE_HODIR) == DONE && GetData(TYPE_THORIM) == DONE)
                     {
-                        if (GameObject* go = instance->GetGameObject(m_keepersgateGUID))
-                            go->RemoveGameObjectFlag(GO_FLAG_LOCKED);
+                        scheduler.Schedule(45s, [this](TaskContext /*context*/)
+                        {
+                            if (GameObject* go = instance->GetGameObject(m_keepersgateGUID))
+                            {
+                                go->RemoveGameObjectFlag(GO_FLAG_LOCKED);
+                                if (Creature* trigger = instance->SummonCreature(NPC_ANCIENT_GATE_WORLD_TRIGGER, triggerAncientGatePosition, nullptr, 10*IN_MILLISECONDS))
+                                {
+                                    trigger->AI()->Talk(EMOTE_ANCIENT_GATE_UNLOCKED);
+                                }
+                            }
+                        });
                     }
                     if (type == TYPE_MIMIRON && data == IN_PROGRESS) // after reaching him without tram and starting the fight
                         m_mimironTramUsed = true;
diff --git a/src/server/scripts/Northrend/Ulduar/Ulduar/ulduar.h b/src/server/scripts/Northrend/Ulduar/Ulduar/ulduar.h
index e7301a3c13af19..fb043172230c74 100644
--- a/src/server/scripts/Northrend/Ulduar/Ulduar/ulduar.h
+++ b/src/server/scripts/Northrend/Ulduar/Ulduar/ulduar.h
@@ -291,6 +291,10 @@ enum UlduarMisc
     // Freya, Hodir, Mimiron, Thorim
     EVENT_KEEPER_TELEPORTED                 = 62941,
 
+    // Ancient Gate
+    NPC_ANCIENT_GATE_WORLD_TRIGGER          = 22515,
+    EMOTE_ANCIENT_GATE_UNLOCKED             = 19,
+
     // Yogg-Saron
     ACTION_SARA_UPDATE_SUMMON_KEEPERS       = 4,
     KEEPER_FREYA                            = 0,