Core/Spell: add an exception for Cyclone ignoring it's own immunity using dispel type

- Unsure of what is the correct check, most generic thing I could make

Closes #18479

1 files changed, 1 insertions, 1 deletions

diff --git a/src/server/game/Spells/SpellInfo.cpp b/src/server/game/Spells/SpellInfo.cpp
index 3c6d52e6dc0..8394ca71103 100644
--- a/src/server/game/Spells/SpellInfo.cpp
+++ b/src/server/game/Spells/SpellInfo.cpp
@@ -1293,7 +1293,7 @@ bool SpellInfo::CanPierceImmuneAura(SpellInfo const* auraSpellInfo) const
         if (!auraSpellInfo ||
             (auraSpellInfo->Mechanic != MECHANIC_IMMUNE_SHIELD &&
                 auraSpellInfo->Mechanic != MECHANIC_INVULNERABILITY &&
-                (auraSpellInfo->Mechanic != MECHANIC_BANISH || IsRankOf(auraSpellInfo)))) // Banish shouldn't be immune to itself
+                (auraSpellInfo->Mechanic != MECHANIC_BANISH || (IsRankOf(auraSpellInfo) && auraSpellInfo->Dispel != DISPEL_NONE)))) // Banish shouldn't be immune to itself, but Cyclone should
             return true;
     }