From fc7fc434e307db705fd9864ecd505496f027b3ad Mon Sep 17 00:00:00 2001
From: Aqua Deus <95978183+aquadeus@users.noreply.github.com>
Date: Thu, 5 Feb 2026 20:52:35 +0100
Subject: [PATCH] Scripts/Spells: Implement proc of dk talent Suppression
 (#30243)

---
 .../world/master/2026_02_05_05_world.sql      |  3 +++
 src/server/game/Miscellaneous/SharedDefines.h |  3 +++
 src/server/scripts/Spells/spell_dk.cpp        | 19 +++++++++++++++++++
 3 files changed, 25 insertions(+)
 create mode 100644 sql/updates/world/master/2026_02_05_05_world.sql

diff --git a/sql/updates/world/master/2026_02_05_05_world.sql b/sql/updates/world/master/2026_02_05_05_world.sql
new file mode 100644
index 0000000000..529f2d4445
--- /dev/null
+++ b/sql/updates/world/master/2026_02_05_05_world.sql
@@ -0,0 +1,3 @@
+DELETE FROM `spell_script_names` WHERE `ScriptName`='spell_dk_suppression';
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES
+(374049, 'spell_dk_suppression');
diff --git a/src/server/game/Miscellaneous/SharedDefines.h b/src/server/game/Miscellaneous/SharedDefines.h
index 08024c884b..572683b389 100644
--- a/src/server/game/Miscellaneous/SharedDefines.h
+++ b/src/server/game/Miscellaneous/SharedDefines.h
@@ -2907,6 +2907,9 @@ inline constexpr uint64 IMMUNE_TO_MOVEMENT_IMPAIRMENT_AND_LOSS_CONTROL_MASK(\
     (1 << MECHANIC_TURN) | (1 << MECHANIC_HORROR) | (1 << MECHANIC_DAZE) | \
     (1 << MECHANIC_SAPPED));
 
+inline constexpr uint64 MECHANIC_LOSS_CONTROL_MASK(\
+    IMMUNE_TO_MOVEMENT_IMPAIRMENT_AND_LOSS_CONTROL_MASK & ~((1 << MECHANIC_SNARE) | (1 << MECHANIC_TURN) | (1 << MECHANIC_DAZE)));
+
 // Spell dispel type
 enum DispelType
 {
diff --git a/src/server/scripts/Spells/spell_dk.cpp b/src/server/scripts/Spells/spell_dk.cpp
index a9fe0abdd8..79d3cdb35e 100644
--- a/src/server/scripts/Spells/spell_dk.cpp
+++ b/src/server/scripts/Spells/spell_dk.cpp
@@ -1293,6 +1293,24 @@ class spell_dk_subduing_grasp : public SpellScript
     }
 };
 
+// 374049 - Suppression
+class spell_dk_suppression : public AuraScript
+{
+    bool CheckProc(ProcEventInfo& eventInfo)
+    {
+        SpellInfo const* spellInfo = eventInfo.GetSpellInfo();
+        if (!spellInfo)
+            return false;
+
+        return (spellInfo->GetAllEffectsMechanicMask() & MECHANIC_LOSS_CONTROL_MASK) != 0;
+    }
+
+    void Register() override
+    {
+        DoCheckProc += AuraCheckProcFn(spell_dk_suppression::CheckProc);
+    }
+};
+
 // 242057 - Rune Empowered
 class spell_dk_t20_2p_rune_empowered : public AuraScript
 {
@@ -1456,6 +1474,7 @@ void AddSC_deathknight_spell_scripts()
     RegisterSpellScriptWithArgs(spell_dk_soul_reaper, "spell_dk_soul_reaper", EFFECT_1, EFFECT_2);
     RegisterSpellScriptWithArgs(spell_dk_soul_reaper, "spell_dk_soul_reaper_reaper_of_souls", EFFECT_0, Optional<SpellEffIndex>());
     RegisterSpellScript(spell_dk_subduing_grasp);
+    RegisterSpellScript(spell_dk_suppression);
     RegisterSpellScript(spell_dk_t20_2p_rune_empowered);
     RegisterSpellScript(spell_dk_vampiric_blood);
     RegisterSpellScript(spell_dk_voracious);