fix(Scripts/ShadowLabs): Script Mark of Malice (#17773)

data/sql/updates/pending_db_world/rev_1700298804472938000.sql

@@ -0,0 +1,3 @@
+-- Mark of Malice
+DELETE FROM `spell_script_names` WHERE `spell_id`=33493 AND `ScriptName`='spell_mark_of_malice';
+INSERT INTO `spell_script_names` (`spell_id`, `ScriptName`) VALUES (33493, 'spell_mark_of_malice');

src/server/scripts/Outland/Auchindoun/ShadowLabyrinth/instance_shadow_labyrinth.cpp

@@ -99,7 +99,40 @@ public:
     };
 };
 
+// 33493 - Mark of Malice
+enum MarkOfMalice
+{
+    SPELL_MARK_OF_MALICE_TRIGGERED = 33494
+};
+
+class spell_mark_of_malice : public AuraScript
+{
+    PrepareAuraScript(spell_mark_of_malice);
+
+    bool Validate(SpellInfo const* /*spellInfo*/) override
+    {
+        return ValidateSpellInfo({ SPELL_MARK_OF_MALICE_TRIGGERED });
+    }
+
+    void HandleProc(AuraEffect const* /*aurEff*/, ProcEventInfo& /*eventInfo*/)
+    {
+        PreventDefaultAction();
+        if (GetCharges() > 1)
+        {
+            return;
+        }
+
+        GetTarget()->CastSpell(GetTarget(), SPELL_MARK_OF_MALICE_TRIGGERED, true);
+    }
+
+    void Register() override
+    {
+        OnEffectProc += AuraEffectProcFn(spell_mark_of_malice::HandleProc, EFFECT_0, SPELL_AURA_DUMMY);
+    }
+};
+
 void AddSC_instance_shadow_labyrinth()
 {
     new instance_shadow_labyrinth();
+    RegisterSpellScript(spell_mark_of_malice);
 }