diff --git a/src/server/scripts/EasternKingdoms/BastionOfTwilight/bastion_of_twilight.h b/src/server/scripts/EasternKingdoms/BastionOfTwilight/bastion_of_twilight.h
index d3dcf37bd87..238259bb3a6 100644
--- a/src/server/scripts/EasternKingdoms/BastionOfTwilight/bastion_of_twilight.h
+++ b/src/server/scripts/EasternKingdoms/BastionOfTwilight/bastion_of_twilight.h
@@ -160,6 +160,11 @@ enum BoTGameObjects
     GO_GRIM_BATOL_RAID_TRAP_DOOR        = 205898
 };
 
+enum BoTSpells
+{
+    SPELL_BERSERK                       = 26662
+};
+
 enum BoTActions
 {
     // Halfus Wyrmbreaker
@@ -183,7 +188,7 @@ enum BoTActions
     ACTION_TALK_ASCENDANT_COUNCIL_INTRO_1   = 3,
     ACTION_TALK_ASCENDANT_COUNCIL_INTRO_2   = 4,
     ACTION_TALK_ASCENDANT_COUNCIL_INTRO_3   = 5,
-    ACTION_TALK_CHOGALL_INTRO               = 6,
+    ACTION_TALK_CHOGALL_INTRO               = 6
 };
 
 enum BoTEvents
diff --git a/src/server/scripts/EasternKingdoms/BastionOfTwilight/boss_chogall.cpp b/src/server/scripts/EasternKingdoms/BastionOfTwilight/boss_chogall.cpp
index d50e947540c..d90f2a6ea27 100644
--- a/src/server/scripts/EasternKingdoms/BastionOfTwilight/boss_chogall.cpp
+++ b/src/server/scripts/EasternKingdoms/BastionOfTwilight/boss_chogall.cpp
@@ -131,6 +131,7 @@ enum Events
     EVENT_CHECK_BLOOD_OF_THE_OLD_GOD_BUFF,
     EVENT_DARKENED_CREATIONS,
     EVENT_SUMMON_SPIKED_TENTACLE,
+    EVENT_BERSERK,
 
     // Corrupting Adherent / Blood of the Old God
     EVENT_ENGAGE_PLAYERS,
@@ -310,6 +311,7 @@ struct boss_chogall : public BossAI
         events.ScheduleEvent(EVENT_SHADOWS_ORDERS, 20s + 800ms, 0, PHASE_1);
         events.ScheduleEvent(EVENT_SUMMON_CORRUPTING_ADHERENT, 2min + 4s, 0, PHASE_1);
         events.ScheduleEvent(EVENT_CONVERSION, 11s, 0, PHASE_1);
+        events.ScheduleEvent(EVENT_BERSERK, 10min);
 
         if (instance->GetData(DATA_FULL_HEROIC_ID) && IsHeroic())
             _allowDeath = false;
@@ -538,6 +540,9 @@ struct boss_chogall : public BossAI
                     DoCastAOE(SPELL_SUMMON_SPIKED_TENTACLE_TRIGGER);
                     events.Repeat(20s);
                     break;
+                case EVENT_BERSERK:
+                    DoCastSelf(SPELL_BERSERK, true);
+                    break;
                 default:
                     break;
             }
diff --git a/src/server/scripts/EasternKingdoms/BastionOfTwilight/boss_halfus_wyrmbreaker.cpp b/src/server/scripts/EasternKingdoms/BastionOfTwilight/boss_halfus_wyrmbreaker.cpp
index f7a26741bb9..14d5e863808 100644
--- a/src/server/scripts/EasternKingdoms/BastionOfTwilight/boss_halfus_wyrmbreaker.cpp
+++ b/src/server/scripts/EasternKingdoms/BastionOfTwilight/boss_halfus_wyrmbreaker.cpp
@@ -64,6 +64,7 @@ enum Events
     EVENT_SHADOW_NOVA = 1,
     EVENT_FURIOUS_ROAR,
     EVENT_RESET_ACHIEVEMT,
+    EVENT_BERSERK,
 
     // Proto-Behemoth
     EVENT_FIREBALL,
@@ -185,6 +186,7 @@ class boss_halfus_wyrmbreaker : public CreatureScript
                 _JustEngagedWith();
                 Talk(SAY_AGGRO);
                 instance->SendEncounterUnit(ENCOUNTER_FRAME_ENGAGE, me);
+                events.ScheduleEvent(EVENT_BERSERK, 10min);
 
                 if (Creature* protoBehemoth = instance->GetCreature(DATA_PROTO_BEHEMOTH))
                     protoBehemoth->AI()->DoZoneInCombat();
@@ -336,6 +338,9 @@ class boss_halfus_wyrmbreaker : public CreatureScript
                         case EVENT_RESET_ACHIEVEMT:
                             _theOnlyEscapeAchievementState = NOT_STARTED;
                             break;
+                        case EVENT_BERSERK:
+                            DoCastSelf(SPELL_BERSERK, true);
+                            break;
                         default:
                             break;
                     }
diff --git a/src/server/scripts/EasternKingdoms/BastionOfTwilight/boss_theralion_and_valiona.cpp b/src/server/scripts/EasternKingdoms/BastionOfTwilight/boss_theralion_and_valiona.cpp
index d66d4f392d5..e8c28f7bec6 100644
--- a/src/server/scripts/EasternKingdoms/BastionOfTwilight/boss_theralion_and_valiona.cpp
+++ b/src/server/scripts/EasternKingdoms/BastionOfTwilight/boss_theralion_and_valiona.cpp
@@ -115,6 +115,7 @@ enum Events
     EVENT_LAND,
     EVENT_ATTACK_PLAYERS,
     EVENT_RESPOND_TO_SIBLING,
+    EVENT_BERSERK,
 
     // Theralion
     EVENT_TWILIGHT_BLAST,
@@ -245,6 +246,7 @@ class boss_theralion : public CreatureScript
             {
                 _JustEngagedWith();
                 instance->SendEncounterUnit(ENCOUNTER_FRAME_ENGAGE, me);
+                events.ScheduleEvent(EVENT_BERSERK, 10min);
 
                 if (Creature* valiona = instance->GetCreature(DATA_VALIONA))
                     valiona->AI()->AttackStart(who);
@@ -445,6 +447,9 @@ class boss_theralion : public CreatureScript
                             Talk(SAY_ANNOUNCE_ENGULFING_MAGIC);
                             events.Repeat(Seconds(40));
                             break;
+                        case EVENT_BERSERK:
+                            DoCastSelf(SPELL_BERSERK, true);
+                            break;
                         default:
                             break;
                     }
@@ -497,6 +502,7 @@ class boss_valiona : public CreatureScript
                 events.SetPhase(PHASE_GROUND);
                 events.ScheduleEvent(EVENT_BLACKOUT, Seconds(10) + Milliseconds(500));
                 events.ScheduleEvent(EVENT_DEVOURING_FLAMES, Seconds(25));
+                events.ScheduleEvent(EVENT_BERSERK, 10min);
 
                 if (IsHeroic())
                     DoCastSelf(SPELL_TWILIGHT_SHIFT, true);
@@ -779,6 +785,9 @@ class boss_valiona : public CreatureScript
                             if (Unit* target = me->GetVictim())
                                 AttackStart(target);
                             break;
+                        case EVENT_BERSERK:
+                            DoCastSelf(SPELL_BERSERK, true);
+                            break;
                         default:
                             break;
                     }