From ee870ff3b37bc092654ae19b37db732bd83ae068 Mon Sep 17 00:00:00 2001
From: Andrew <47818697+Nyeriah@users.noreply.github.com>
Date: Tue, 1 Oct 2024 06:47:44 -0300
Subject: [PATCH] fix(Core/Spells): Restricted aura application prevention when
 immune to banish effects (e.g cyclone) (#20060)

---
 src/server/game/Spells/Spell.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/server/game/Spells/Spell.cpp b/src/server/game/Spells/Spell.cpp
index 261ba47cc..e28ee5626 100644
--- a/src/server/game/Spells/Spell.cpp
+++ b/src/server/game/Spells/Spell.cpp
@@ -3158,8 +3158,9 @@ SpellMissInfo Spell::DoSpellHitOnUnit(Unit* unit, uint32 effectMask, bool scaleA
 
             if (m_spellAura)
             {
-                // Prevent aura application if target is immuned
-                if (m_targets.GetUnitTarget() && m_targets.GetUnitTarget()->IsImmunedToDamageOrSchool(m_spellAura->GetSpellInfo()))
+                // Prevent aura application if target is banished and immuned
+                if (m_targets.GetUnitTarget() && m_targets.GetUnitTarget()->IsImmunedToDamageOrSchool(m_spellAura->GetSpellInfo())
+                    && m_targets.GetUnitTarget()->HasUnitState(UNIT_STATE_ISOLATED))
                 {
                     m_spellAura->Remove();
                     return SPELL_MISS_IMMUNE;