diff --git a/Source/Framework/Constants/Spells/SpellConst.cs b/Source/Framework/Constants/Spells/SpellConst.cs
index 2946ce2e7..51e3ebe4a 100644
--- a/Source/Framework/Constants/Spells/SpellConst.cs
+++ b/Source/Framework/Constants/Spells/SpellConst.cs
@@ -1986,7 +1986,7 @@ namespace Framework.Constants
         AutocastOffByDefault = 0x20000, // AutoCast Off By Default
         IgnoreSchoolLockout = 0x40000, // Ignore School Lockout
         AllowDarkSimulacrum = 0x80000, // Allow Dark Simulacrum
-        Unk20 = 0x100000, // 20
+        AllowCastWhileChanneling = 0x100000, // Allow Cast While Channeling
         Unk21 = 0x200000, // 21
         Unk22 = 0x400000, // 22
         Unk23 = 0x800000, // 23
diff --git a/Source/Game/Entities/Unit/Unit.Spells.cs b/Source/Game/Entities/Unit/Unit.Spells.cs
index 4479796c8..10373b937 100644
--- a/Source/Game/Entities/Unit/Unit.Spells.cs
+++ b/Source/Game/Entities/Unit/Unit.Spells.cs
@@ -1814,7 +1814,8 @@ namespace Game.Entities
                     InterruptSpell(CurrentSpellTypes.Generic, false);
 
                     // generic spells always break channeled not delayed spells
-                    if (GetCurrentSpell(CurrentSpellTypes.Channeled) != null && !GetCurrentSpell(CurrentSpellTypes.Channeled).GetSpellInfo().HasAttribute(SpellAttr5.AllowActionsDuringChannel))
+                    if (GetCurrentSpell(CurrentSpellTypes.Channeled) != null && !GetCurrentSpell(CurrentSpellTypes.Channeled).GetSpellInfo().HasAttribute(SpellAttr5.AllowActionsDuringChannel)
+                        && !pSpell.GetSpellInfo().HasAttribute(SpellAttr9.AllowCastWhileChanneling))
                         InterruptSpell(CurrentSpellTypes.Channeled, false);
 
                     // autorepeat breaking
@@ -2979,7 +2980,7 @@ namespace Game.Entities
             return dispelList;
         }
 
-        bool IsInterruptFlagIgnoredForSpell(SpellAuraInterruptFlags flag, Unit unit, SpellInfo auraSpellInfo, SpellInfo interruptSource)
+        bool IsInterruptFlagIgnoredForSpell(SpellAuraInterruptFlags flag, Unit unit, SpellInfo auraSpellInfo, bool isChannel, SpellInfo interruptSource)
         {
             switch (flag)
             {
@@ -2994,6 +2995,9 @@ namespace Game.Entities
 
                         if (interruptSource.HasAttribute(SpellAttr2.AllowWhileInvisible) && auraSpellInfo.Dispel == DispelType.Invisibility)
                             return true;
+
+                        if (interruptSource.HasAttribute(SpellAttr9.AllowCastWhileChanneling) && isChannel)
+                            return true;
                     }
                     break;
                 default:
@@ -3003,7 +3007,7 @@ namespace Game.Entities
             return false;
         }
 
-        bool IsInterruptFlagIgnoredForSpell(SpellAuraInterruptFlags2 flag, Unit unit, SpellInfo auraSpellInfo, SpellInfo interruptSource)
+        bool IsInterruptFlagIgnoredForSpell(SpellAuraInterruptFlags2 flag, Unit unit, SpellInfo auraSpellInfo, bool isChannel, SpellInfo interruptSource)
         {
             return false;
         }
@@ -3018,7 +3022,7 @@ namespace Game.Entities
             {
                 Aura aura = m_interruptableAuras[i].GetBase();
 
-                if (aura.GetSpellInfo().HasAuraInterruptFlag(flag) && (source == null || aura.GetId() != source.Id) && !IsInterruptFlagIgnoredForSpell(flag, this, aura.GetSpellInfo(), source))
+                if (aura.GetSpellInfo().HasAuraInterruptFlag(flag) && (source == null || aura.GetId() != source.Id) && !IsInterruptFlagIgnoredForSpell(flag, this, aura.GetSpellInfo(), false, source))
                 {
                     uint removedAuras = m_removedAurasCount;
                     RemoveAura(aura, AuraRemoveMode.Interrupt);
@@ -3034,7 +3038,7 @@ namespace Game.Entities
                 if (spell.GetState() == SpellState.Casting
                     && spell.GetSpellInfo().HasChannelInterruptFlag(flag)
                     && (source == null || spell.GetSpellInfo().Id != source.Id)
-                    && !IsInterruptFlagIgnoredForSpell(flag, this, spell.GetSpellInfo(), source))
+                    && !IsInterruptFlagIgnoredForSpell(flag, this, spell.GetSpellInfo(), true, source))
                     InterruptNonMeleeSpells(false);
             }
 
@@ -3051,7 +3055,7 @@ namespace Game.Entities
             {
                 Aura aura = m_interruptableAuras[i].GetBase();
 
-                if (aura.GetSpellInfo().HasAuraInterruptFlag(flag) && (source == null || aura.GetId() != source.Id) && !IsInterruptFlagIgnoredForSpell(flag, this, aura.GetSpellInfo(), source))
+                if (aura.GetSpellInfo().HasAuraInterruptFlag(flag) && (source == null || aura.GetId() != source.Id) && !IsInterruptFlagIgnoredForSpell(flag, this, aura.GetSpellInfo(), false, source))
                 {
                     uint removedAuras = m_removedAurasCount;
                     RemoveAura(aura, AuraRemoveMode.Interrupt);
@@ -3067,7 +3071,7 @@ namespace Game.Entities
                 if (spell.GetState() == SpellState.Casting
                     && spell.GetSpellInfo().HasChannelInterruptFlag(flag)
                     && (source == null || spell.GetSpellInfo().Id != source.Id)
-                    && !IsInterruptFlagIgnoredForSpell(flag, this, spell.GetSpellInfo(), source))
+                    && !IsInterruptFlagIgnoredForSpell(flag, this, spell.GetSpellInfo(), true, source))
                     InterruptNonMeleeSpells(false);
             }
 
diff --git a/Source/Game/Spells/Spell.cs b/Source/Game/Spells/Spell.cs
index 391964654..b14f3d13f 100644
--- a/Source/Game/Spells/Spell.cs
+++ b/Source/Game/Spells/Spell.cs
@@ -2583,7 +2583,7 @@ namespace Game.Spells
             }
 
             // Prevent casting at cast another spell (ServerSide check)
-            if (!_triggeredCastFlags.HasFlag(TriggerCastFlags.IgnoreCastInProgress) && m_caster.ToUnit() != null && m_caster.ToUnit().IsNonMeleeSpellCast(false, true, true, m_spellInfo.Id == 75) && !m_castId.IsEmpty())
+            if (!_triggeredCastFlags.HasFlag(TriggerCastFlags.IgnoreCastInProgress) && m_caster.ToUnit() != null && m_caster.ToUnit().IsNonMeleeSpellCast(false, true, true, m_spellInfo.Id == 75))
             {
                 SendCastResult(SpellCastResult.SpellInProgress);
                 Finish(SpellCastResult.SpellInProgress);