diff --git a/sql/updates/world/master/2026_01_01_02_world.sql b/sql/updates/world/master/2026_01_01_02_world.sql
new file mode 100644
index 00000000000..35d25109c57
--- /dev/null
+++ b/sql/updates/world/master/2026_01_01_02_world.sql
@@ -0,0 +1,7 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName`='spell_pri_voice_of_harmony';
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(390994, 'spell_pri_voice_of_harmony');
+
+DELETE FROM `spell_proc` WHERE `SpellId` IN (390994);
+INSERT INTO `spell_proc` (`SpellId`,`SchoolMask`,`SpellFamilyName`,`SpellFamilyMask0`,`SpellFamilyMask1`,`SpellFamilyMask2`,`SpellFamilyMask3`,`ProcFlags`,`ProcFlags2`,`SpellTypeMask`,`SpellPhaseMask`,`HitMask`,`AttributesMask`,`DisableEffectsMask`,`ProcsPerMinute`,`Chance`,`Cooldown`,`Charges`) VALUES
+(390994,0x00,6,0x00100000,0x00000000,0x00008000,0x00404040,0x0,0x4,0x0,0x0,0x0,0x0,0x0,0,100,0,0); -- Voice of Harmony
diff --git a/src/server/scripts/Spells/spell_priest.cpp b/src/server/scripts/Spells/spell_priest.cpp
index 980275997a3..66f1b7f4216 100644
--- a/src/server/scripts/Spells/spell_priest.cpp
+++ b/src/server/scripts/Spells/spell_priest.cpp
@@ -228,6 +228,7 @@ enum PriestSpells
     SPELL_PRIEST_VAMPIRIC_TOUCH                     = 34914,
     SPELL_PRIEST_VOID_SHIELD                        = 199144,
     SPELL_PRIEST_VOID_SHIELD_EFFECT                 = 199145,
+    SPELL_PRIEST_VOICE_OF_HARMONY                   = 390994,
     SPELL_PRIEST_VOID_TORRENT                       = 263165,
     SPELL_PRIEST_WEAKENED_SOUL                      = 6788,
     SPELL_PRIEST_WHISPERING_SHADOWS                 = 406777,
@@ -4238,6 +4239,58 @@ class spell_pri_vampiric_touch : public AuraScript
     }
 };
 
+// 390994 - Voice of Harmony
+class spell_pri_voice_of_harmony : public AuraScript
+{
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo
+        ({
+            SPELL_PRIEST_HOLY_WORD_CHASTISE,
+            SPELL_PRIEST_HOLY_WORD_SANCTIFY,
+            SPELL_PRIEST_HOLY_WORD_SERENITY
+        });
+    }
+
+    static bool CheckHolyWordSanctify(AuraScript const&, AuraEffect const* /*aurEff*/, ProcEventInfo const& eventInfo)
+    {
+        // Divine Star
+        // Halo
+        return eventInfo.GetSpellInfo()->IsAffected(SPELLFAMILY_PRIEST, { 0x0, 0x0, 0x0, 0x4040 });
+    }
+
+    static bool CheckHolyWordSerenity(AuraScript const&, AuraEffect const* /*aurEff*/, ProcEventInfo const& eventInfo)
+    {
+        // Power Word: Life
+        // Prayer of Mending
+        return eventInfo.GetSpellInfo()->IsAffected(SPELLFAMILY_PRIEST, { 0x0, 0x0, 0x8000, 0x400000 });
+    }
+
+    static bool CheckHolyWordChastise(AuraScript const&, AuraEffect const* /*aurEff*/, ProcEventInfo const& eventInfo)
+    {
+        // Holy Fire
+        return eventInfo.GetSpellInfo()->IsAffected(SPELLFAMILY_PRIEST, { 0x100000, 0x0, 0x0, 0x0 });
+    }
+
+    template <uint32 TargetSpellId>
+    void HandleProc(AuraEffect const* aurEff, ProcEventInfo const& /*eventInfo*/) const
+    {
+        SpellInfo const* targetSpellInfo = sSpellMgr->AssertSpellInfo(TargetSpellId, GetCastDifficulty());
+        int32 cdReduction = aurEff->GetAmount();
+        spell_pri_holy_words_base::ModifyCooldown(GetTarget(), targetSpellInfo, Seconds(-cdReduction));
+    }
+
+    void Register() override
+    {
+        DoCheckEffectProc += AuraCheckEffectProcFn(spell_pri_voice_of_harmony::CheckHolyWordSanctify, EFFECT_0, SPELL_AURA_DUMMY);
+        DoCheckEffectProc += AuraCheckEffectProcFn(spell_pri_voice_of_harmony::CheckHolyWordSerenity, EFFECT_1, SPELL_AURA_DUMMY);
+        DoCheckEffectProc += AuraCheckEffectProcFn(spell_pri_voice_of_harmony::CheckHolyWordChastise, EFFECT_2, SPELL_AURA_DUMMY);
+        OnEffectProc += AuraEffectProcFn(spell_pri_voice_of_harmony::HandleProc<SPELL_PRIEST_HOLY_WORD_SANCTIFY>, EFFECT_0, SPELL_AURA_DUMMY);
+        OnEffectProc += AuraEffectProcFn(spell_pri_voice_of_harmony::HandleProc<SPELL_PRIEST_HOLY_WORD_SERENITY>, EFFECT_1, SPELL_AURA_DUMMY);
+        OnEffectProc += AuraEffectProcFn(spell_pri_voice_of_harmony::HandleProc<SPELL_PRIEST_HOLY_WORD_CHASTISE>, EFFECT_2, SPELL_AURA_DUMMY);
+    }
+};
+
 // 205385 - Shadow Crash
 class spell_pri_whispering_shadows : public SpellScript
 {
@@ -4419,6 +4472,7 @@ void AddSC_priest_spell_scripts()
     RegisterSpellScript(spell_pri_vampiric_embrace);
     RegisterSpellScript(spell_pri_vampiric_embrace_target);
     RegisterSpellScript(spell_pri_vampiric_touch);
+    RegisterSpellScript(spell_pri_voice_of_harmony);
     RegisterSpellScript(spell_pri_whispering_shadows);
     RegisterSpellScript(spell_pri_whispering_shadows_effect);
 }