diff --git a/Data/Scripts/010_Data/002_PBS data/005_Move.rb b/Data/Scripts/010_Data/002_PBS data/005_Move.rb
index 675f29773..b0f608ce6 100644
--- a/Data/Scripts/010_Data/002_PBS data/005_Move.rb	
+++ b/Data/Scripts/010_Data/002_PBS data/005_Move.rb	
@@ -222,7 +222,7 @@ module GameData
       when "06F" then new_code = "FixedDamageUserLevelRandom"
       when "070"
         if data[:id] == :FISSURE
-          new_code = "OHKOHitsTargetUnderground"
+          new_code = "OHKOHitsUndergroundTarget"
         elsif data[:id] == :SHEERCOLD && Settings::MECHANICS_GENERATION >= 7
           new_code = "OHKOIce"
         else
diff --git a/Data/Scripts/011_Battle/001_Battler/005_Battler_StatStages.rb b/Data/Scripts/011_Battle/001_Battler/005_Battler_StatStages.rb
index 11cff8ae0..84afe1101 100644
--- a/Data/Scripts/011_Battle/001_Battler/005_Battler_StatStages.rb
+++ b/Data/Scripts/011_Battle/001_Battler/005_Battler_StatStages.rb
@@ -115,14 +115,20 @@ class PokeBattle_Battler
     return @stages[stat]<=-6
   end
 
-  def pbCanLowerStatStage?(stat,user=nil,move=nil,showFailMsg=false,ignoreContrary=false)
+  def pbCanLowerStatStage?(stat, user = nil, move = nil, showFailMsg = false, ignoreContrary = false, ignoreMirrorArmor = false)
     return false if fainted?
-    # Contrary
-    if hasActiveAbility?(:CONTRARY) && !ignoreContrary && !@battle.moldBreaker
-      return pbCanRaiseStatStage?(stat,user,move,showFailMsg,true)
+    if !@battle.moldBreaker
+      # Contrary
+      if hasActiveAbility?(:CONTRARY) && !ignoreContrary
+        return pbCanRaiseStatStage?(stat, user, move, showFailMsg, true)
+      end
+      # Mirror Armor
+      if hasActiveAbility?(:MIRRORARMOR) && !ignoreMirrorArmor && user && user.index != @index
+        return true if !statStageAtMin?(stat)
+      end
     end
     if !user || user.index!=@index   # Not self-inflicted
-      if @effects[PBEffects::Substitute]>0 && !(move && move.ignoresSubstitute?(user))
+      if @effects[PBEffects::Substitute]>0 && (ignoreMirrorArmor || !(move && move.ignoresSubstitute?(user)))
         @battle.pbDisplay(_INTL("{1} is protected by its substitute!",pbThis)) if showFailMsg
         return false
       end
@@ -175,10 +181,29 @@ class PokeBattle_Battler
     return increment
   end
 
-  def pbLowerStatStage(stat,increment,user,showAnim=true,ignoreContrary=false)
-    # Contrary
-    if hasActiveAbility?(:CONTRARY) && !ignoreContrary && !@battle.moldBreaker
-      return pbRaiseStatStage(stat,increment,user,showAnim,true)
+  def pbLowerStatStage(stat, increment, user, showAnim = true, ignoreContrary = false,
+                       mirrorArmorSplash = 0, ignoreMirrorArmor = false)
+    if !@battle.moldBreaker
+      # Contrary
+      if hasActiveAbility?(:CONTRARY) && !ignoreContrary
+        return pbRaiseStatStage(stat, increment, user, showAnim, true)
+      end
+      # Mirror Armor
+      if hasActiveAbility?(:MIRRORARMOR) && !ignoreMirrorArmor &&
+         user && user.index != @index && !statStageAtMin?(stat)
+        if mirrorArmorSplash < 2
+          @battle.pbShowAbilitySplash(self)
+          if !PokeBattle_SceneConstants::USE_ABILITY_SPLASH
+            @battle.pbDisplay(_INTL("{1}'s {2} activated!", pbThis, abilityName))
+          end
+        end
+        ret = false
+        if user.pbCanLowerStatStage?(stat, self, nil, true, ignoreContrary, true)
+          ret = user.pbLowerStatStage(stat, increment, self, showAnim, ignoreContrary, mirrorArmorSplash, true)
+        end
+        @battle.pbHideAbilitySplash(self) if mirrorArmorSplash.even?   # i.e. not 1 or 3
+        return ret
+      end
     end
     # Perform the stat stage change
     increment = pbLowerStatStageBasic(stat,increment,ignoreContrary)
@@ -197,10 +222,27 @@ class PokeBattle_Battler
     return true
   end
 
-  def pbLowerStatStageByCause(stat,increment,user,cause,showAnim=true,ignoreContrary=false)
-    # Contrary
-    if hasActiveAbility?(:CONTRARY) && !ignoreContrary && !@battle.moldBreaker
-      return pbRaiseStatStageByCause(stat,increment,user,cause,showAnim,true)
+  def pbLowerStatStageByCause(stat, increment, user, cause, showAnim = true,
+                              ignoreContrary = false, ignoreMirrorArmor = false)
+    if !@battle.moldBreaker
+      # Contrary
+      if hasActiveAbility?(:CONTRARY) && !ignoreContrary
+        return pbRaiseStatStageByCause(stat, increment, user, cause, showAnim, true)
+      end
+      # Mirror Armor
+      if hasActiveAbility?(:MIRRORARMOR) && !ignoreMirrorArmor &&
+         user && user.index != @index && !statStageAtMin?(stat)
+        @battle.pbShowAbilitySplash(self)
+        if !PokeBattle_SceneConstants::USE_ABILITY_SPLASH
+          @battle.pbDisplay(_INTL("{1}'s {2} activated!", pbThis, abilityName))
+        end
+        ret = false
+        if user.pbCanLowerStatStage?(stat, self, nil, true, ignoreContrary, true)
+          ret = user.pbLowerStatStageByCause(stat, increment, self, abilityName, showAnim, ignoreContrary, true)
+        end
+        @battle.pbHideAbilitySplash(self)
+        return ret
+      end
     end
     # Perform the stat stage change
     increment = pbLowerStatStageBasic(stat,increment,ignoreContrary)
diff --git a/Data/Scripts/011_Battle/001_Battler/009_Battler_UseMove_SuccessChecks.rb b/Data/Scripts/011_Battle/001_Battler/009_Battler_UseMove_SuccessChecks.rb
index cbeaf7cc0..a881139ca 100644
--- a/Data/Scripts/011_Battle/001_Battler/009_Battler_UseMove_SuccessChecks.rb
+++ b/Data/Scripts/011_Battle/001_Battler/009_Battler_UseMove_SuccessChecks.rb
@@ -361,8 +361,8 @@ class PokeBattle_Battler
           target.damageState.protected = true
           @battle.successStates[user.index].protected = true
           if move.pbContactMove?(user) && user.affectedByContactEffect?
-            if user.pbCanLowerStatStage?(:ATTACK)
-              user.pbLowerStatStage(:ATTACK, (Settings::MECHANICS_GENERATION >= 8) ? 1 : 2, nil)
+            if user.pbCanLowerStatStage?(:ATTACK, target)
+              user.pbLowerStatStage(:ATTACK, (Settings::MECHANICS_GENERATION >= 8) ? 1 : 2, target)
             end
           end
           return false
@@ -405,8 +405,8 @@ class PokeBattle_Battler
           target.damageState.protected = true
           @battle.successStates[user.index].protected = true
           if move.pbContactMove?(user) && user.affectedByContactEffect?
-            if user.pbCanLowerStatStage?(:DEFENSE)
-              user.pbLowerStatStage(:DEFENSE, 2, nil)
+            if user.pbCanLowerStatStage?(:DEFENSE, target)
+              user.pbLowerStatStage(:DEFENSE, 2, target)
             end
           end
           return false
diff --git a/Data/Scripts/011_Battle/001_Battler/010_Battler_UseMove_TriggerEffects.rb b/Data/Scripts/011_Battle/001_Battler/010_Battler_UseMove_TriggerEffects.rb
index 24308d5b2..71aee89db 100644
--- a/Data/Scripts/011_Battle/001_Battler/010_Battler_UseMove_TriggerEffects.rb
+++ b/Data/Scripts/011_Battle/001_Battler/010_Battler_UseMove_TriggerEffects.rb
@@ -148,9 +148,9 @@ class PokeBattle_Battler
     if move.function == "StartSlowerBattlersActFirst" && @battle.field.effects[PBEffects::TrickRoom] > 0
       @battle.battlers.each do |b|
         next if !b.hasActiveItem?(:ROOMSERVICE)
-        next if !b.pbCanLowerStatStage?(:SPEED, b)
+        next if !b.pbCanLowerStatStage?(:SPEED)
         @battle.pbCommonAnimation("UseItem", b)
-        b.pbLowerStatStage(:SPEED, 1, b)
+        b.pbLowerStatStage(:SPEED, 1, nil)
         b.pbConsumeItem
       end
     end
diff --git a/Data/Scripts/011_Battle/002_Move/004_Move_BaseEffects.rb b/Data/Scripts/011_Battle/002_Move/004_Move_BaseEffects.rb
index 1ecd10d9b..bec1fd97d 100644
--- a/Data/Scripts/011_Battle/002_Move/004_Move_BaseEffects.rb
+++ b/Data/Scripts/011_Battle/002_Move/004_Move_BaseEffects.rb
@@ -383,26 +383,49 @@ class PokeBattle_TargetMultiStatDownMove < PokeBattle_Move
     return false
   end
 
-  def pbEffectAgainstTarget(user,target)
-    return if damagingMove?
-    showAnim = true
-    for i in 0...@statDown.length/2
-      next if !target.pbCanLowerStatStage?(@statDown[i*2],user,self)
-      if target.pbLowerStatStage(@statDown[i*2],@statDown[i*2+1],user,showAnim)
-        showAnim = false
+  def pbCheckForMirrorArmor(user, target)
+    if target.hasActiveAbility?(:MIRRORARMOR) && user.index != target.index
+      failed = true
+      for i in 0...@statDown.length / 2
+        next if target.statStageAtMin?(@statDown[i * 2])
+        next if !user.pbCanLowerStatStage?(@statDown[i * 2], target, self, false, false, true)
+        failed = false
+        break
+      end
+      if failed
+        @battle.pbShowAbilitySplash(target)
+        if !PokeBattle_SceneConstants::USE_ABILITY_SPLASH
+          @battle.pbDisplay(_INTL("{1}'s {2} activated!", target.pbThis, target.abilityName))
+        end
+        user.pbCanLowerStatStage?(@statDown[0], target, self, true, false, true)   # Show fail message
+        @battle.pbHideAbilitySplash(target)
+        return false
       end
     end
+    return true
+  end
+
+  def pbLowerTargetMultipleStats(user, target)
+    return if !pbCheckForMirrorArmor(user, target)
+    showAnim = true
+    showMirrorArmorSplash = true
+    for i in 0...@statDown.length / 2
+      next if !target.pbCanLowerStatStage?(@statDown[i * 2], user, self)
+      if target.pbLowerStatStage(@statDown[i * 2], @statDown[i * 2 + 1], user,
+         showAnim, false, (showMirrorArmorSplash) ? 1 : 3)
+        showAnim = false
+      end
+      showMirrorArmorSplash = false
+    end
+    @battle.pbHideAbilitySplash(target)   # To hide target's Mirror Armor splash
+  end
+
+  def pbEffectAgainstTarget(user,target)
+    pbLowerTargetMultipleStats(user, target) if !damagingMove?
   end
 
   def pbAdditionalEffect(user,target)
-    return if target.damageState.substitute
-    showAnim = true
-    for i in 0...@statDown.length/2
-      next if !target.pbCanLowerStatStage?(@statDown[i*2],user,self)
-      if target.pbLowerStatStage(@statDown[i*2],@statDown[i*2+1],user,showAnim)
-        showAnim = false
-      end
-    end
+    pbLowerTargetMultipleStats(user, target) if !target.damageState.substitute
   end
 end
 
diff --git a/Data/Scripts/011_Battle/002_Move/006_MoveEffects_BattlerStats.rb b/Data/Scripts/011_Battle/002_Move/006_MoveEffects_BattlerStats.rb
index b92b78cb4..62291b5cd 100644
--- a/Data/Scripts/011_Battle/002_Move/006_MoveEffects_BattlerStats.rb
+++ b/Data/Scripts/011_Battle/002_Move/006_MoveEffects_BattlerStats.rb
@@ -1321,6 +1321,11 @@ end
 class PokeBattle_Move_LowerPoisonedTargetAtkSpAtkSpd1 < PokeBattle_Move
   def canMagicCoat?; return true; end
 
+  def initialize(battle,move)
+    super
+    @statDown = [:ATTACK, 1, :SPECIAL_ATTACK, 1, :SPEED, 1]
+  end
+
   def pbMoveFailed?(user,targets)
     @validTargets = []
     targets.each do |b|
@@ -1338,15 +1343,42 @@ class PokeBattle_Move_LowerPoisonedTargetAtkSpAtkSpd1 < PokeBattle_Move
     return false
   end
 
-  def pbEffectAgainstTarget(user,target)
-    return if !@validTargets.include?(target.index)
-    showAnim = true
-    [:ATTACK,:SPECIAL_ATTACK,:SPEED].each do |s|
-      next if !target.pbCanLowerStatStage?(s,user,self)
-      if target.pbLowerStatStage(s,1,user,showAnim)
-        showAnim = false
+  def pbCheckForMirrorArmor(user, target)
+    if target.hasActiveAbility?(:MIRRORARMOR) && user.index != target.index
+      failed = true
+      for i in 0...@statDown.length / 2
+        next if target.statStageAtMin?(@statDown[i * 2])
+        next if !user.pbCanLowerStatStage?(@statDown[i * 2], target, self, false, false, true)
+        failed = false
+        break
+      end
+      if failed
+        @battle.pbShowAbilitySplash(target)
+        if !PokeBattle_SceneConstants::USE_ABILITY_SPLASH
+          @battle.pbDisplay(_INTL("{1}'s {2} activated!", target.pbThis, target.abilityName))
+        end
+        user.pbCanLowerStatStage?(@statDown[0], target, self, true, false, true)   # Show fail message
+        @battle.pbHideAbilitySplash(target)
+        return false
       end
     end
+    return true
+  end
+
+  def pbEffectAgainstTarget(user,target)
+    return if !@validTargets.include?(target.index)
+    return if !pbCheckForMirrorArmor(user, target)
+    showAnim = true
+    showMirrorArmorSplash = true
+    for i in 0...@statDown.length / 2
+      next if !target.pbCanLowerStatStage?(@statDown[i * 2], user, self)
+      if target.pbLowerStatStage(@statDown[i * 2], @statDown[i * 2 + 1], user,
+         showAnim, false, (showMirrorArmorSplash) ? 1 : 3)
+        showAnim = false
+      end
+      showMirrorArmorSplash = false
+    end
+    @battle.pbHideAbilitySplash(target)   # To hide target's Mirror Armor splash
   end
 end
 
diff --git a/Data/Scripts/011_Battle/002_Move/008_MoveEffects_MoveAttributes.rb b/Data/Scripts/011_Battle/002_Move/008_MoveEffects_MoveAttributes.rb
index c70db3ecb..b19c7fb1d 100644
--- a/Data/Scripts/011_Battle/002_Move/008_MoveEffects_MoveAttributes.rb
+++ b/Data/Scripts/011_Battle/002_Move/008_MoveEffects_MoveAttributes.rb
@@ -131,7 +131,7 @@ end
 # OHKO. Accuracy increases by difference between levels of user and target. Hits
 # targets that are semi-invulnerable underground. (Fissure)
 #===============================================================================
-class PokeBattle_Move_OHKOHitsTargetUnderground < PokeBattle_Move_OHKO
+class PokeBattle_Move_OHKOHitsUndergroundTarget < PokeBattle_Move_OHKO
   def hitsDiggingTargets?; return true; end
 end
 
diff --git a/Data/Scripts/011_Battle/003_BattleHandlers_Abilities.rb b/Data/Scripts/011_Battle/003_BattleHandlers_Abilities.rb
index f32f4758a..db512f457 100644
--- a/Data/Scripts/011_Battle/003_BattleHandlers_Abilities.rb
+++ b/Data/Scripts/011_Battle/003_BattleHandlers_Abilities.rb
@@ -2104,9 +2104,9 @@ BattleHandlers::AbilityOnSwitchIn.add(:ANTICIPATION,
           eff = Effectiveness.calculate(moveType,type1,type2,type3)
           next if Effectiveness.ineffective?(eff)
           next if !Effectiveness.super_effective?(eff) &&
-                  !["OHKO", "OHKOIce", "OHKOHitsTargetUnderground"].include?(m.function)
+                  !["OHKO", "OHKOIce", "OHKOHitsUndergroundTarget"].include?(m.function)
         else
-          next if !["OHKO", "OHKOIce", "OHKOHitsTargetUnderground"].include?(m.function)
+          next if !["OHKO", "OHKOIce", "OHKOHitsUndergroundTarget"].include?(m.function)
         end
         found = true
         break
@@ -2206,7 +2206,7 @@ BattleHandlers::AbilityOnSwitchIn.add(:FOREWARN,
     battle.eachOtherSideBattler(battler.index) do |b|
       b.eachMove do |m|
         power = m.baseDamage
-        power = 160 if ["OHKO", "OHKOIce", "OHKOHitsTargetUnderground"].include?(m.function)
+        power = 160 if ["OHKO", "OHKOIce", "OHKOHitsUndergroundTarget"].include?(m.function)
         power = 150 if ["PowerHigherWithUserHP"].include?(m.function)    # Eruption
         # Counter, Mirror Coat, Metal Burst
         power = 120 if ["CounterPhysicalDamage",
diff --git a/Data/Scripts/011_Battle/004_AI/005_AI_Move_EffectScores.rb b/Data/Scripts/011_Battle/004_AI/005_AI_Move_EffectScores.rb
index 0da14e8bb..f157ab473 100644
--- a/Data/Scripts/011_Battle/004_AI/005_AI_Move_EffectScores.rb
+++ b/Data/Scripts/011_Battle/004_AI/005_AI_Move_EffectScores.rb
@@ -1547,7 +1547,7 @@ class PokeBattle_AI
     when "FixedDamageUserLevelRandom"
       score += 30 if target.hp<=user.level
     #---------------------------------------------------------------------------
-  when "OHKO", "OHKOIce", "OHKOHitsTargetUnderground"
+  when "OHKO", "OHKOIce", "OHKOHitsUndergroundTarget"
       score -= 90 if target.hasActiveAbility?(:STURDY)
       score -= 90 if target.level>user.level
     #---------------------------------------------------------------------------
diff --git a/Data/Scripts/011_Battle/004_AI/006_AI_Move_Utilities.rb b/Data/Scripts/011_Battle/004_AI/006_AI_Move_Utilities.rb
index 628fc78fc..6760acefd 100644
--- a/Data/Scripts/011_Battle/004_AI/006_AI_Move_Utilities.rb
+++ b/Data/Scripts/011_Battle/004_AI/006_AI_Move_Utilities.rb
@@ -180,7 +180,7 @@ class PokeBattle_AI
       baseDmg = move.pbFixedDamage(user,target)
     when "FixedDamageUserLevelRandom"   # Psywave
       baseDmg = user.level
-    when "OHKO", "OHKOIce", "OHKOHitsTargetUnderground"
+    when "OHKO", "OHKOIce", "OHKOHitsUndergroundTarget"
       baseDmg = 200
     when "CounterPhysicalDamage", "CounterSpecialDamage", "CounterDamagePlusHalf"
       baseDmg = 60
@@ -692,7 +692,7 @@ class PokeBattle_AI
         modifiers[:base_accuracy] = 0 if Settings::MORE_TYPE_EFFECTS && move.statusMove? &&
                                          user.pbHasType?(:POISON)
       end
-      if ["OHKO", "OHKOIce", "OHKOHitsTargetUnderground"].include?(move.function)
+      if ["OHKO", "OHKOIce", "OHKOHitsUndergroundTarget"].include?(move.function)
         modifiers[:base_accuracy] = move.accuracy + user.level - target.level
         modifiers[:accuracy_multiplier] = 0 if target.level > user.level
         if skill>=PBTrainerAI.bestSkill
diff --git a/Data/Scripts/011_Battle/006_Other battle types/009_PokeBattle_Clauses.rb b/Data/Scripts/011_Battle/006_Other battle types/009_PokeBattle_Clauses.rb
index 9fd8647af..e255c92f5 100644
--- a/Data/Scripts/011_Battle/006_Other battle types/009_PokeBattle_Clauses.rb	
+++ b/Data/Scripts/011_Battle/006_Other battle types/009_PokeBattle_Clauses.rb	
@@ -200,7 +200,7 @@ end
 
 
 
-class PokeBattle_Move_OHKOHitsTargetUnderground
+class PokeBattle_Move_OHKOHitsUndergroundTarget
   alias __clauses__pbFailsAgainstTarget? pbFailsAgainstTarget?
 
   def pbFailsAgainstTarget?(user, target, show_message)
diff --git a/Data/Scripts/011_Battle/Gen 8 abilities.rb b/Data/Scripts/011_Battle/Gen 8 abilities.rb
index 9172f804c..eb9f90737 100644
--- a/Data/Scripts/011_Battle/Gen 8 abilities.rb	
+++ b/Data/Scripts/011_Battle/Gen 8 abilities.rb	
@@ -342,10 +342,6 @@ BattleHandlers::AbilityOnSwitchIn.add(:MIMICRY,
 
 #===============================================================================
 
-Mirror Armor
-If a move/ability tries to lower the bearer's stat(s), the effect is reflected
-back at the causer.
-
 Neutralizing Gas
 Suppresses all other abilities. Once this ability stops applying, triggers all
 abilities that activate when gained (if this happens because bearer switches
diff --git a/Data/Scripts/013_Items/Gen 8 items.rb b/Data/Scripts/013_Items/Gen 8 items.rb
index 41ee15d2e..733c4cc68 100644
--- a/Data/Scripts/013_Items/Gen 8 items.rb	
+++ b/Data/Scripts/013_Items/Gen 8 items.rb	
@@ -343,9 +343,9 @@ BattleHandlers::UserItemAfterMoveUse.add(:THROATSPRAY,
 BattleHandlers::ItemOnSwitchIn.add(:ROOMSERVICE,
   proc { |item, battler, battle|
     next if battle.field.effects[PBEffects::TrickRoom] == 0
-    next if !battler.pbCanLowerStatStage?(:SPEED, battler)
+    next if !battler.pbCanLowerStatStage?(:SPEED)
     battle.pbCommonAnimation("UseItem", battler)
-    battler.pbLowerStatStage(:SPEED, 1, battler)
+    battler.pbLowerStatStage(:SPEED, 1, nil)
     battler.pbConsumeItem
   }
 )
diff --git a/PBS/Gen 5/moves.txt b/PBS/Gen 5/moves.txt
index a34ccf6a3..8d8efdfba 100644
--- a/PBS/Gen 5/moves.txt	
+++ b/PBS/Gen 5/moves.txt	
@@ -2825,7 +2825,7 @@ BaseDamage = 1
 Accuracy = 30
 TotalPP = 5
 Target = NearOther
-FunctionCode = OHKOHitsTargetUnderground
+FunctionCode = OHKOHitsUndergroundTarget
 Flags = CanProtect,CanMirrorMove
 Description = The user opens up a fissure in the ground and drops the foe in. The target instantly faints if it hits.
 #-------------------------------
diff --git a/PBS/Gen 7/moves.txt b/PBS/Gen 7/moves.txt
index d35122acc..51c1545cd 100644
--- a/PBS/Gen 7/moves.txt	
+++ b/PBS/Gen 7/moves.txt	
@@ -3728,7 +3728,7 @@ BaseDamage = 1
 Accuracy = 30
 TotalPP = 5
 Target = NearOther
-FunctionCode = OHKOHitsTargetUnderground
+FunctionCode = OHKOHitsUndergroundTarget
 Flags = CanProtect,CanMirrorMove
 Description = The user opens up a fissure in the ground and drops the foe in. The target instantly faints if it hits.
 #-------------------------------
diff --git a/PBS/Gen 8/moves.txt b/PBS/Gen 8/moves.txt
index 4ee6e4fbd..87f872b2d 100644
--- a/PBS/Gen 8/moves.txt	
+++ b/PBS/Gen 8/moves.txt	
@@ -4234,7 +4234,7 @@ BaseDamage = 1
 Accuracy = 30
 TotalPP = 5
 Target = NearOther
-FunctionCode = OHKOHitsTargetUnderground
+FunctionCode = OHKOHitsUndergroundTarget
 Flags = CanProtect,CanMirrorMove
 Description = The user opens up a fissure in the ground and drops the foe in. The target instantly faints if it hits.
 #-------------------------------
diff --git a/PBS/moves.txt b/PBS/moves.txt
index 4ee6e4fbd..87f872b2d 100644
--- a/PBS/moves.txt
+++ b/PBS/moves.txt
@@ -4234,7 +4234,7 @@ BaseDamage = 1
 Accuracy = 30
 TotalPP = 5
 Target = NearOther
-FunctionCode = OHKOHitsTargetUnderground
+FunctionCode = OHKOHitsUndergroundTarget
 Flags = CanProtect,CanMirrorMove
 Description = The user opens up a fissure in the ground and drops the foe in. The target instantly faints if it hits.
 #-------------------------------