Core/Spell: remove duplicated SPELL_AURA_MOD_DEBUFF_RESISTANCE handling.

Each spell had two rolls in which it could be resisted, effectively adding to the resist chance.

Closes #7406

2 files changed, 1 insertions, 10 deletions

diff --git a/src/server/game/Entities/Unit/Unit.cpp b/src/server/game/Entities/Unit/Unit.cpp
index 9ec729f741e..eefed9e97e4 100644
--- a/src/server/game/Entities/Unit/Unit.cpp
+++ b/src/server/game/Entities/Unit/Unit.cpp
@@ -2603,7 +2603,7 @@ SpellMissInfo Unit::MagicSpellHitResult(Unit* victim, SpellInfo const* spellInfo
     // Increase hit chance from attacker SPELL_AURA_MOD_SPELL_HIT_CHANCE and attacker ratings
     HitChance += int32(m_modSpellHitChance * 100.0f);
 
-    RoundToInterval(HitChance, 100, 10000);
+    RoundToInterval(HitChance, 0, 10000);
 
     int32 tmp = 10000 - HitChance;
 
diff --git a/src/server/game/Spells/Spell.cpp b/src/server/game/Spells/Spell.cpp
index eeb6dd68e80..d2612ba1bdf 100644
--- a/src/server/game/Spells/Spell.cpp
+++ b/src/server/game/Spells/Spell.cpp
@@ -2537,15 +2537,6 @@ SpellMissInfo Spell::DoSpellHitOnUnit(Unit* unit, uint32 effectMask, bool scaleA
         {
             if (unit->IsImmunedToSpellEffect(m_spellInfo, effectNumber, m_caster))
                 effectMask &= ~(1 << effectNumber);
-            else if (m_spellInfo->Effects[effectNumber].IsAura() && !m_spellInfo->IsPositiveEffect(effectNumber))
-            {
-                int32 debuff_resist_chance = unit->GetTotalAuraModifierByMiscValue(SPELL_AURA_MOD_DEBUFF_RESISTANCE, static_cast<int32>(m_spellInfo->Dispel));
-                if (debuff_resist_chance > 0 && roll_chance_i(debuff_resist_chance))
-                {
-                    effectMask &= ~(1 << effectNumber);
-                    returnVal = SPELL_MISS_RESIST;
-                }
-            }
         }
     }