Scripts/ZG: fixed up the Chain Breaking mechanic in Jindo's encounter

src/server/game/Spells/SpellMgr.cpp

@@ -5958,6 +5958,12 @@ void SpellMgr::LoadSpellInfoCorrections()
         spellInfo->AttributesEx8 |= SPELL_ATTR8_PERIODIC_CAN_CRIT;
     });
 
+    // Body Slam
+    ApplySpellFix({ 97252 }, [](SpellInfo* spellInfo)
+    {
+        spellInfo->Attributes |= SPELL_ATTR0_NO_IMMUNITIES;
+    });
+
     for (uint32 i = 0; i < GetSpellInfoStoreSize(); ++i)
     {
         SpellInfo* spellInfo = mSpellInfoMap[i];

src/server/scripts/EasternKingdoms/ZulGurub/boss_jindo_the_godbreaker.cpp

@@ -655,11 +655,15 @@ struct spell_jindo_body_slam : public SpellScript
 {
     void HandleShieldBreakEffect(SpellEffIndex /*effIndex*/)
     {
-        Unit* target = GetHitCreature();
+        Unit* target = GetHitUnit();
         if (!target)
             return;
 
-        if (target->GetEntry() == NPC_HAKKARS_CHAINS && target->HasAura(SPELL_BRITTLE_BARRIER))
+        // Sniffs confirm that the spell is going to negate the damage against immune targets rather than not hitting at all
+        if (target->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IMMUNE))
+            SetHitDamage(0);
+
+        if (target->IsCreature() && target->GetEntry() == NPC_HAKKARS_CHAINS && target->HasAura(SPELL_BRITTLE_BARRIER))
         {
             target->RemoveAurasDueToSpell(SPELL_BRITTLE_BARRIER);
             target->CastSpell(target, SPELL_ARCANE_EXPLOSION_VISUAL);