Something

Index: game/Unit.cpp
===================================================================
--- game/Unit.cpp	(revision 5386)
+++ game/Unit.cpp	(working copy)
@@ -408,19 +408,6 @@
     return (!m_modAuras[auraType].empty());
 }
 
-/* Called by DealDamage for auras that have a chance to be dispelled on damage taken. */
-void Unit::RemoveSpellbyDamageTaken(AuraType auraType, uint32 damage)
-{
-    if(!HasAuraType(auraType))
-        return;
-
-    // The chance to dispell an aura depends on the damage taken with respect to the casters level.
-    uint32 max_dmg = getLevel() > 8 ? 25 * getLevel() - 150 : 50;
-    float chance = float(damage) / max_dmg * 100.0f;
-    if (roll_chance_f(chance))
-        RemoveSpellsCausingAura(auraType);
-}
-
 void Unit::DealDamage(Unit *pVictim, uint32 damage, CleanDamage const* cleanDamage, DamageEffectType damagetype, SpellSchools damageSchool, SpellEntry const *spellProto, bool durabilityLoss)
 {
     if (!pVictim->isAlive() || pVictim->isInFlight() || pVictim->GetTypeId() == TYPEID_UNIT && ((Creature*)pVictim)->IsInEvadeMode())
@@ -465,11 +452,6 @@
         return;
     }
 
-    pVictim->RemoveSpellbyDamageTaken(SPELL_AURA_MOD_FEAR, damage);
-    // root type spells do not dispell the root effect
-    if(!spellProto || spellProto->Mechanic != MECHANIC_ROOT)
-        pVictim->RemoveSpellbyDamageTaken(SPELL_AURA_MOD_ROOT, damage);
-
     if(pVictim->GetTypeId() != TYPEID_PLAYER)
     {
         //pVictim->SetInFront(this);
@@ -921,6 +903,16 @@
                     // FIXME: this may cause the auras with proc chance to be rerolled several times
                     next = vAuras.begin();
                 }
+            } 
+            else if ( (se->Attributes & 0x40000000LL) && se->Id != spellProto->Id )
+            {
+                uint32 max_dmg = pVictim->getLevel() > 8 ? 25 * pVictim->getLevel() - 150 : 50;
+                float chance = float(damage) / max_dmg * 100.0f;
+                if (roll_chance_f(chance))
+                {
+                    pVictim->RemoveAurasDueToSpell(i->second->GetId());
+                    next = vAuras.begin();
+                }
             }
         }
 
Index: game/Unit.h
===================================================================
--- game/Unit.h	(revision 5386)
+++ game/Unit.h	(working copy)
@@ -751,8 +751,6 @@
 
         bool isFrozen() const;
 
-        void RemoveSpellbyDamageTaken(AuraType auraType, uint32 damage);
-
         bool isTargetableForAttack() const;
         virtual bool IsInWater() const;
         virtual bool IsUnderWater() const;