diff --git a/sql/updates/world/master/2024_09_07_01_world.sql b/sql/updates/world/master/2024_09_07_01_world.sql
new file mode 100644
index 0000000000000..5008e78a006af
--- /dev/null
+++ b/sql/updates/world/master/2024_09_07_01_world.sql
@@ -0,0 +1,3 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName`='spell_warl_perpetual_unstability';
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(316099, 'spell_warl_perpetual_unstability');
diff --git a/src/server/scripts/Spells/spell_warlock.cpp b/src/server/scripts/Spells/spell_warlock.cpp
index 5fe05f47b7040..3c7fdd5433974 100644
--- a/src/server/scripts/Spells/spell_warlock.cpp
+++ b/src/server/scripts/Spells/spell_warlock.cpp
@@ -58,6 +58,8 @@ enum WarlockSpells
     SPELL_WARLOCK_IMPROVED_HEALTH_FUNNEL_BUFF_R2    = 60956,
     SPELL_WARLOCK_IMPROVED_HEALTH_FUNNEL_R1         = 18703,
     SPELL_WARLOCK_IMPROVED_HEALTH_FUNNEL_R2         = 18704,
+    SPELL_WARLOCK_PERPETUAL_UNSTABILITY_TALENT      = 459376,
+    SPELL_WARLOCK_PERPETUAL_UNSTABILITY_DAMAGE      = 459461,
     SPELL_WARLOCK_RAIN_OF_FIRE                      = 5740,
     SPELL_WARLOCK_RAIN_OF_FIRE_DAMAGE               = 42223,
     SPELL_WARLOCK_SEED_OF_CORRUPTION_DAMAGE         = 27285,
@@ -535,6 +537,39 @@ class spell_warl_immolate : public SpellScript
     }
 };
 
+// Called by 316099 - Unstable Affliction
+// 459376 - Perpetual Unstability
+class spell_warl_perpetual_unstability : public SpellScript
+{
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_WARLOCK_PERPETUAL_UNSTABILITY_TALENT, SPELL_WARLOCK_PERPETUAL_UNSTABILITY_DAMAGE });
+    }
+
+    void TriggerExplosion() const
+    {
+        Unit* caster = GetCaster();
+        Unit* target = GetHitUnit();
+
+        if (AuraEffect const* perpetualUnstability = caster->GetAuraEffect(SPELL_WARLOCK_PERPETUAL_UNSTABILITY_TALENT, EFFECT_0))
+        {
+            if (Aura const* unstableAfflictionAura = target->GetAura(GetSpellInfo()->Id, caster->GetGUID()))
+            {
+                Milliseconds maxUnstableAfflictionDuration = Seconds(perpetualUnstability->GetAmount());
+                if (Milliseconds(unstableAfflictionAura->GetDuration()) <= maxUnstableAfflictionDuration)
+                    caster->CastSpell(target, SPELL_WARLOCK_PERPETUAL_UNSTABILITY_DAMAGE, CastSpellExtraArgs()
+                        .SetTriggerFlags(TRIGGERED_IGNORE_CAST_IN_PROGRESS | TRIGGERED_DONT_REPORT_CAST_ERROR)
+                        .SetTriggeringSpell(GetSpell()));
+            }
+        }
+    }
+
+    void Register() override
+    {
+        OnHit += SpellHitFn(spell_warl_perpetual_unstability::TriggerExplosion);
+    }
+};
+
 // 5740 - Rain of Fire
 /// Updated 11.0.2
 class spell_warl_rain_of_fire : public AuraScript
@@ -1241,6 +1276,7 @@ void AddSC_warlock_spell_scripts()
     RegisterSpellScript(spell_warl_health_funnel);
     RegisterSpellScript(spell_warl_healthstone_heal);
     RegisterSpellScript(spell_warl_immolate);
+    RegisterSpellScript(spell_warl_perpetual_unstability);
     RegisterSpellScript(spell_warl_rain_of_fire);
     RegisterSpellScript(spell_warl_random_sayaad);
     RegisterSpellScript(spell_warl_sayaad_precast_disorientation);