diff --git a/Data/Scripts/012_Battle/001_Battler/001_PokeBattle_Battler.rb b/Data/Scripts/012_Battle/001_Battler/001_PokeBattle_Battler.rb
index 33f333d63..00bbbda2b 100644
--- a/Data/Scripts/012_Battle/001_Battler/001_PokeBattle_Battler.rb
+++ b/Data/Scripts/012_Battle/001_Battler/001_PokeBattle_Battler.rb
@@ -220,7 +220,7 @@ class PokeBattle_Battler
     stageDiv = [8,7,6,5,4,3, 2, 2,2,2,2,2,2]
     stage = @stages[PBStats::SPEED] + 6
     speed = @speed*stageMul[stage]/stageDiv[stage]
-    speedMult = 0x1000
+    speedMult = 1.0
     # Ability effects that alter calculated Speed
     if abilityActive?
       speedMult = BattleHandlers.triggerSpeedCalcAbility(@ability,self,speedMult)
@@ -242,7 +242,7 @@ class PokeBattle_Battler
       speedMult *= 1.1
     end
     # Calculation
-    return [(speed.to_f*speedMult/0x1000).round,1].max
+    return [(speed*speedMult).round,1].max
   end
 
   def pbWeight
diff --git a/Data/Scripts/012_Battle/001_Battler/007_Battler_UseMove.rb b/Data/Scripts/012_Battle/001_Battler/007_Battler_UseMove.rb
index a7211b8e4..1ccabad81 100644
--- a/Data/Scripts/012_Battle/001_Battler/007_Battler_UseMove.rb
+++ b/Data/Scripts/012_Battle/001_Battler/007_Battler_UseMove.rb
@@ -323,7 +323,7 @@ class PokeBattle_Battler
       @battle.pbDisplay(_INTL("When the flame touched the powder on the Pokémon, it exploded!"))
       user.lastMoveFailed = true
       w = @battle.pbWeather
-      if w!=PBWeather.RAINDANCE && w!=PBWeather.HEAVYRAIN && user.takesIndirectDamage?
+      if w!=PBWeather::Rain && w!=PBWeather::HeavyRain && user.takesIndirectDamage?
         oldHP = user.hp
         user.pbReduceHP((user.totalhp/4.0).round,false)
         user.pbFaint if user.fainted?
diff --git a/Data/Scripts/012_Battle/002_Move/003_Move_Usage_Calculations.rb b/Data/Scripts/012_Battle/002_Move/003_Move_Usage_Calculations.rb
index 41bb7f38d..ba817641a 100644
--- a/Data/Scripts/012_Battle/002_Move/003_Move_Usage_Calculations.rb
+++ b/Data/Scripts/012_Battle/002_Move/003_Move_Usage_Calculations.rb
@@ -95,8 +95,8 @@ class PokeBattle_Move
     modifiers[BASE_ACC]  = baseAcc
     modifiers[ACC_STAGE] = user.stages[PBStats::ACCURACY]
     modifiers[EVA_STAGE] = target.stages[PBStats::EVASION]
-    modifiers[ACC_MULT]  = 0x1000
-    modifiers[EVA_MULT]  = 0x1000
+    modifiers[ACC_MULT]  = 1.0
+    modifiers[EVA_MULT]  = 1.0
     pbCalcAccuracyModifiers(user,target,modifiers)
     # Check if move can't miss
     return true if modifiers[BASE_ACC]==0
@@ -107,8 +107,8 @@ class PokeBattle_Move
     stageDiv = [9,8,7,6,5,4, 3, 3,3,3,3,3,3]
     accuracy = 100.0 * stageMul[accStage] / stageDiv[accStage]
     evasion  = 100.0 * stageMul[evaStage] / stageDiv[evaStage]
-    accuracy = (accuracy * modifiers[ACC_MULT] / 0x1000).round
-    evasion  = (evasion  * modifiers[EVA_MULT] / 0x1000).round
+    accuracy = (accuracy * modifiers[ACC_MULT]).round
+    evasion  = (evasion  * modifiers[EVA_MULT]).round
     evasion = 1 if evasion<1
     # Calculation
     return @battle.pbRandom(100) < modifiers[BASE_ACC] * accuracy / evasion
@@ -140,11 +140,11 @@ class PokeBattle_Move
     end
     # Other effects, inc. ones that set ACC_MULT or EVA_STAGE to specific values
     if @battle.field.effects[PBEffects::Gravity]>0
-      modifiers[ACC_MULT] = (modifiers[ACC_MULT]*5/3).round
+      modifiers[ACC_MULT] *= 5/3.0
     end
     if user.effects[PBEffects::MicleBerry]
       user.effects[PBEffects::MicleBerry] = false
-      modifiers[ACC_MULT] = (modifiers[ACC_MULT]*1.2).round
+      modifiers[ACC_MULT] *= 1.2
     end
     modifiers[EVA_STAGE] = 0 if target.effects[PBEffects::Foresight] && modifiers[EVA_STAGE]>0
     modifiers[EVA_STAGE] = 0 if target.effects[PBEffects::MiracleEye] && modifiers[EVA_STAGE]>0
@@ -244,14 +244,14 @@ class PokeBattle_Move
       defense = (defense.to_f*stageMul[defStage]/stageDiv[defStage]).floor
     end
     # Calculate all multiplier effects
-    multipliers = [0x1000,0x1000,0x1000,0x1000]
+    multipliers = [1.0, 1.0, 1.0, 1.0]
     pbCalcDamageMultipliers(user,target,numTargets,type,baseDmg,multipliers)
     # Main damage calculation
-    baseDmg = [(baseDmg * multipliers[BASE_DMG_MULT]  / 0x1000).round,1].max
-    atk     = [(atk     * multipliers[ATK_MULT]       / 0x1000).round,1].max
-    defense = [(defense * multipliers[DEF_MULT]       / 0x1000).round,1].max
-    damage  = (((2.0*user.level/5+2).floor*baseDmg*atk/defense).floor/50).floor+2
-    damage  = [(damage  * multipliers[FINAL_DMG_MULT] / 0x1000).round,1].max
+    baseDmg = [(baseDmg * multipliers[BASE_DMG_MULT]).round, 1].max
+    atk     = [(atk     * multipliers[ATK_MULT]).round, 1].max
+    defense = [(defense * multipliers[DEF_MULT]).round, 1].max
+    damage  = (((2.0 * user.level / 5 + 2).floor * baseDmg * atk / defense).floor / 50).floor + 2
+    damage  = [(damage  * multipliers[FINAL_DMG_MULT]).round, 1].max
     target.damageState.calcDamage = damage
   end
 
@@ -306,10 +306,10 @@ class PokeBattle_Move
     end
     # Other
     if user.effects[PBEffects::MeFirst]
-      multipliers[BASE_DMG_MULT] = (multipliers[BASE_DMG_MULT]*1.5).round
+      multipliers[BASE_DMG_MULT] *= 1.5
     end
     if user.effects[PBEffects::HelpingHand] && !self.is_a?(PokeBattle_Confusion)
-      multipliers[BASE_DMG_MULT] = (multipliers[BASE_DMG_MULT]*1.5).round
+      multipliers[BASE_DMG_MULT] *= 1.5
     end
     if user.effects[PBEffects::Charge]>0 && isConst?(type,PBTypes,:ELECTRIC)
       multipliers[BASE_DMG_MULT] *= 2
@@ -341,15 +341,15 @@ class PokeBattle_Move
       case @battle.field.terrain
       when PBBattleTerrains::Electric
         if isConst?(type,PBTypes,:ELECTRIC)
-          multipliers[BASE_DMG_MULT] = (multipliers[BASE_DMG_MULT]*1.5).round
+          multipliers[BASE_DMG_MULT] *= 1.5
         end
       when PBBattleTerrains::Grassy
         if isConst?(type,PBTypes,:GRASS)
-          multipliers[BASE_DMG_MULT] = (multipliers[BASE_DMG_MULT]*1.5).round
+          multipliers[BASE_DMG_MULT] *= 1.5
         end
       when PBBattleTerrains::Psychic
         if isConst?(type,PBTypes,:PSYCHIC)
-          multipliers[BASE_DMG_MULT] = (multipliers[BASE_DMG_MULT]*1.5).round
+          multipliers[BASE_DMG_MULT] *= 1.5
         end
       end
     end
@@ -361,28 +361,28 @@ class PokeBattle_Move
     if @battle.internalBattle
       if user.pbOwnedByPlayer?
         if physicalMove? && @battle.pbPlayer.numbadges>=NUM_BADGES_BOOST_ATTACK
-          multipliers[ATK_MULT] = (multipliers[ATK_MULT]*1.1).round
+          multipliers[ATK_MULT] *= 1.1
         elsif specialMove? && @battle.pbPlayer.numbadges>=NUM_BADGES_BOOST_SPATK
-          multipliers[ATK_MULT] = (multipliers[ATK_MULT]*1.1).round
+          multipliers[ATK_MULT] *= 1.1
         end
       end
       if target.pbOwnedByPlayer?
         if physicalMove? && @battle.pbPlayer.numbadges>=NUM_BADGES_BOOST_DEFENSE
-          multipliers[DEF_MULT] = (multipliers[DEF_MULT]*1.1).round
+          multipliers[DEF_MULT] *= 1.1
         elsif specialMove? && @battle.pbPlayer.numbadges>=NUM_BADGES_BOOST_SPDEF
-          multipliers[DEF_MULT] = (multipliers[DEF_MULT]*1.1).round
+          multipliers[DEF_MULT] *= 1.1
         end
       end
     end
     # Multi-targeting attacks
     if numTargets>1
-      multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*0.75).round
+      multipliers[FINAL_DMG_MULT] *= 0.75
     end
     # Weather
     case @battle.pbWeather
     when PBWeather::Sun, PBWeather::HarshSun
       if isConst?(type,PBTypes,:FIRE)
-        multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*1.5).round
+        multipliers[FINAL_DMG_MULT] *= 1.5
       elsif isConst?(type,PBTypes,:WATER)
         multipliers[FINAL_DMG_MULT] /= 2
       end
@@ -390,17 +390,17 @@ class PokeBattle_Move
       if isConst?(type,PBTypes,:FIRE)
         multipliers[FINAL_DMG_MULT] /= 2
       elsif isConst?(type,PBTypes,:WATER)
-        multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*1.5).round
+        multipliers[FINAL_DMG_MULT] *= 1.5
       end
     when PBWeather::Sandstorm
       if target.pbHasType?(:ROCK) && specialMove? && @function!="122"   # Psyshock
-        multipliers[DEF_MULT] = (multipliers[DEF_MULT]*1.5).round
+        multipliers[DEF_MULT] *= 1.5
       end
     end
     # Critical hits
     if target.damageState.critical
       if NEWEST_BATTLE_MECHANICS
-        multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*1.5).round
+        multipliers[FINAL_DMG_MULT] *= 1.5
       else
         multipliers[FINAL_DMG_MULT] *= 2
       end
@@ -415,12 +415,11 @@ class PokeBattle_Move
       if user.hasActiveAbility?(:ADAPTABILITY)
         multipliers[FINAL_DMG_MULT] *= 2
       else
-        multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*1.5).round
+        multipliers[FINAL_DMG_MULT] *= 1.5
       end
     end
     # Type effectiveness
     multipliers[FINAL_DMG_MULT] *= target.damageState.typeMod.to_f/PBTypeEffectiveness::NORMAL_EFFECTIVE
-    multipliers[FINAL_DMG_MULT] = multipliers[FINAL_DMG_MULT].round
     # Burn
     if user.status==PBStatuses::BURN && physicalMove? && damageReducedByBurn? &&
        !user.hasActiveAbility?(:GUTS)
@@ -431,19 +430,19 @@ class PokeBattle_Move
        !user.hasActiveAbility?(:INFILTRATOR)
       if target.pbOwnSide.effects[PBEffects::AuroraVeil]>0
         if @battle.pbSideBattlerCount(target)>1
-          multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*2/3).round
+          multipliers[FINAL_DMG_MULT] *= 2/3.0
         else
           multipliers[FINAL_DMG_MULT] /= 2
         end
       elsif target.pbOwnSide.effects[PBEffects::Reflect]>0 && physicalMove?
         if @battle.pbSideBattlerCount(target)>1
-          multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*2/3).round
+          multipliers[FINAL_DMG_MULT] *= 2/3.0
         else
           multipliers[FINAL_DMG_MULT] /= 2
         end
       elsif target.pbOwnSide.effects[PBEffects::LightScreen]>0 && specialMove?
         if @battle.pbSideBattlerCount(target)>1
-          multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*2/3).round
+          multipliers[FINAL_DMG_MULT] *= 2/3.0
         else
           multipliers[FINAL_DMG_MULT] /= 2
         end
diff --git a/Data/Scripts/012_Battle/002_Move/005_Move_Effects_000-07F.rb b/Data/Scripts/012_Battle/002_Move/005_Move_Effects_000-07F.rb
index 562007bad..629551f20 100644
--- a/Data/Scripts/012_Battle/002_Move/005_Move_Effects_000-07F.rb
+++ b/Data/Scripts/012_Battle/002_Move/005_Move_Effects_000-07F.rb
@@ -2465,7 +2465,7 @@ end
 class PokeBattle_Move_073 < PokeBattle_FixedDamageMove
   def pbAddTarget(targets,user)
     return if user.lastFoeAttacker.length==0
-    lastAttacker = user.lastFoeAttacker[user.lastFoeAttacker.last]
+    lastAttacker = user.lastFoeAttacker.last
     return if lastAttacker<0 || !user.opposes?(lastAttacker)
     user.pbAddTarget(targets,user,@battle.battlers[lastAttacker],self,false)
   end
@@ -2546,7 +2546,7 @@ class PokeBattle_Move_076 < PokeBattle_Move
 
   def pbModifyDamage(damageMult,user,target)
     damageMult *= 2 if target.inTwoTurnAttack?("0CA")   # Dig
-    damageMult = (damageMult/2.0).round if @battle.field.terrain==PBBattleTerrains::Grassy
+    damageMult /= 2 if @battle.field.terrain==PBBattleTerrains::Grassy
     return damageMult
   end
 end
diff --git a/Data/Scripts/012_Battle/002_Move/006_Move_Effects_080-0FF.rb b/Data/Scripts/012_Battle/002_Move/006_Move_Effects_080-0FF.rb
index 04af86e83..050a889de 100644
--- a/Data/Scripts/012_Battle/002_Move/006_Move_Effects_080-0FF.rb
+++ b/Data/Scripts/012_Battle/002_Move/006_Move_Effects_080-0FF.rb
@@ -422,7 +422,7 @@ class PokeBattle_Move_095 < PokeBattle_Move
 
   def pbModifyDamage(damageMult,user,target)
     damageMult *= 2 if target.inTwoTurnAttack?("0CA")   # Dig
-    damageMult = (damageMult/2.0).round if @battle.field.terrain==PBBattleTerrains::Grassy
+    damageMult /= 2 if @battle.field.terrain==PBBattleTerrains::Grassy
     return damageMult
   end
 end
@@ -2070,9 +2070,7 @@ class PokeBattle_Move_0C4 < PokeBattle_TwoTurnMove
 
   def pbBaseDamageMultiplier(damageMult,user,target)
     w = @battle.pbWeather
-    if w>0 && w!=PBWeather::Sun && w!=PBWeather::HarshSun
-      damageMult = (damageMult/2.0).round
-    end
+    damageMult /= 2 if w>0 && w!=PBWeather::Sun && w!=PBWeather::HarshSun
     return damageMult
   end
 end
diff --git a/Data/Scripts/012_Battle/004_AI/006_AI_Move_Utilities.rb b/Data/Scripts/012_Battle/004_AI/006_AI_Move_Utilities.rb
index da0ddc614..2bb76a15f 100644
--- a/Data/Scripts/012_Battle/004_AI/006_AI_Move_Utilities.rb
+++ b/Data/Scripts/012_Battle/004_AI/006_AI_Move_Utilities.rb
@@ -275,7 +275,7 @@ class PokeBattle_AI
       defense = pbRoughStat(target,PBStats::SPDEF,skill)
     end
     ##### Calculate all multiplier effects #####
-    multipliers = [0x1000,0x1000,0x1000,0x1000]
+    multipliers = [1.0, 1.0, 1.0, 1.0]
     # Ability effects that alter damage
     moldBreaker = false
     if skill>=PBTrainerAI.highSkill && target.hasMoldBreaker?
@@ -364,7 +364,7 @@ class PokeBattle_AI
     end
     # Parental Bond
     if skill>=PBTrainerAI.mediumSkill && user.hasActiveAbility?(:PARENTALBOND)
-      multipliers[BASE_DMG_MULT] = (multipliers[BASE_DMG_MULT]*1.25).floor
+      multipliers[BASE_DMG_MULT] *= 1.25
     end
     # Me First
     # TODO
@@ -403,15 +403,15 @@ class PokeBattle_AI
       case @battle.field.terrain
       when PBBattleTerrains::Electric
         if isConst?(type,PBTypes,:ELECTRIC)
-          multipliers[BASE_DMG_MULT] = (multipliers[BASE_DMG_MULT]*1.5).round
+          multipliers[BASE_DMG_MULT] *= 1.5
         end
       when PBBattleTerrains::Grassy
         if isConst?(type,PBTypes,:GRASS)
-          multipliers[BASE_DMG_MULT] = (multipliers[BASE_DMG_MULT]*1.5).round
+          multipliers[BASE_DMG_MULT] *= 1.5
         end
       when PBBattleTerrains::Psychic
         if isConst?(type,PBTypes,:PSYCHIC)
-          multipliers[BASE_DMG_MULT] = (multipliers[BASE_DMG_MULT]*1.5).round
+          multipliers[BASE_DMG_MULT] *= 1.5
         end
       end
     end
@@ -427,9 +427,9 @@ class PokeBattle_AI
         # won't control the player's Pokémon.
         if target.pbOwnedByPlayer?
           if move.physicalMove?(type) && @battle.pbPlayer.numbadges>=NUM_BADGES_BOOST_DEFENSE
-            multipliers[DEF_MULT] = (multipliers[DEF_MULT]*1.1).round
+            multipliers[DEF_MULT] *= 1.1
           elsif move.specialMove?(type) && @battle.pbPlayer.numbadges>=NUM_BADGES_BOOST_SPDEF
-            multipliers[DEF_MULT] = (multipliers[DEF_MULT]*1.1).round
+            multipliers[DEF_MULT] *= 1.1
           end
         end
       end
@@ -437,7 +437,7 @@ class PokeBattle_AI
     # Multi-targeting attacks
     if skill>=PBTrainerAI.highSkill
       if pbTargetsMultiple?(move,user)
-        multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*0.75).round
+        multipliers[FINAL_DMG_MULT] *= 0.75
       end
     end
     # Weather
@@ -445,7 +445,7 @@ class PokeBattle_AI
       case @battle.pbWeather
       when PBWeather::Sun, PBWeather::HarshSun
         if isConst?(type,PBTypes,:FIRE)
-          multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*1.5).round
+          multipliers[FINAL_DMG_MULT] *= 1.5
         elsif isConst?(type,PBTypes,:WATER)
           multipliers[FINAL_DMG_MULT] /= 2
         end
@@ -453,11 +453,11 @@ class PokeBattle_AI
         if isConst?(type,PBTypes,:FIRE)
           multipliers[FINAL_DMG_MULT] /= 2
         elsif isConst?(type,PBTypes,:WATER)
-          multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*1.5).round
+          multipliers[FINAL_DMG_MULT] *= 1.5
         end
       when PBWeather::Sandstorm
         if target.pbHasType?(:ROCK) && move.specialMove?(type) && move.function!="122"   # Psyshock
-          multipliers[DEF_MULT] = (multipliers[DEF_MULT]*1.5).round
+          multipliers[DEF_MULT] *= 1.5
         end
       end
     end
@@ -469,7 +469,7 @@ class PokeBattle_AI
         if user.hasActiveAbility?(:ADAPTABILITY)
           multipliers[FINAL_DMG_MULT] *= 2
         else
-          multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*1.5).round
+          multipliers[FINAL_DMG_MULT] *= 1.5
         end
       end
     end
@@ -477,7 +477,6 @@ class PokeBattle_AI
     if skill>=PBTrainerAI.mediumSkill
       typemod = pbCalcTypeMod(type,user,target)
       multipliers[FINAL_DMG_MULT] *= typemod.to_f/PBTypeEffectiveness::NORMAL_EFFECTIVE
-      multipliers[FINAL_DMG_MULT] = multipliers[FINAL_DMG_MULT].round
     end
     # Burn
     if skill>=PBTrainerAI.highSkill
@@ -492,19 +491,19 @@ class PokeBattle_AI
       if !move.ignoresReflect? && !user.hasActiveAbility?(:INFILTRATOR)
         if target.pbOwnSide.effects[PBEffects::AuroraVeil]>0
           if @battle.pbSideBattlerCount(target)>1
-            multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*2/3).round
+            multipliers[FINAL_DMG_MULT] *= 2/3.0
           else
             multipliers[FINAL_DMG_MULT] /= 2
           end
         elsif target.pbOwnSide.effects[PBEffects::Reflect]>0 && move.physicalMove?(type)
           if @battle.pbSideBattlerCount(target)>1
-            multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*2/3).round
+            multipliers[FINAL_DMG_MULT] *= 2/3.0
           else
             multipliers[FINAL_DMG_MULT] /= 2
           end
         elsif target.pbOwnSide.effects[PBEffects::LightScreen]>0 && move.specialMove?(type)
           if @battle.pbSideBattlerCount(target)>1
-            multipliers[FINAL_DMG_MULT] = (multipliers[FINAL_DMG_MULT]*2/3).round
+            multipliers[FINAL_DMG_MULT] *= 2/3.0
           else
             multipliers[FINAL_DMG_MULT] /= 2
           end
@@ -522,11 +521,11 @@ class PokeBattle_AI
     # Move-specific final damage modifiers
     # TODO
     ##### Main damage calculation #####
-    baseDmg = [(baseDmg * multipliers[BASE_DMG_MULT]  / 0x1000).round,1].max
-    atk     = [(atk     * multipliers[ATK_MULT]       / 0x1000).round,1].max
-    defense = [(defense * multipliers[DEF_MULT]       / 0x1000).round,1].max
-    damage  = (((2.0*user.level/5+2).floor*baseDmg*atk/defense).floor/50).floor+2
-    damage  = [(damage  * multipliers[FINAL_DMG_MULT] / 0x1000).round,1].max
+    baseDmg = [(baseDmg * multipliers[BASE_DMG_MULT]).round, 1].max
+    atk     = [(atk     * multipliers[ATK_MULT]).round, 1].max
+    defense = [(defense * multipliers[DEF_MULT]).round, 1].max
+    damage  = (((2.0 * user.level / 5 + 2).floor * baseDmg * atk / defense).floor / 50).floor + 2
+    damage  = [(damage  * multipliers[FINAL_DMG_MULT]).round, 1].max
     # "AI-specific calculations below"
     # Increased critical hit rates
     if skill>=PBTrainerAI.mediumSkill
@@ -585,8 +584,8 @@ class PokeBattle_AI
     modifiers[BASE_ACC]  = baseAcc
     modifiers[ACC_STAGE] = user.stages[PBStats::ACCURACY]
     modifiers[EVA_STAGE] = target.stages[PBStats::EVASION]
-    modifiers[ACC_MULT]  = 0x1000
-    modifiers[EVA_MULT]  = 0x1000
+    modifiers[ACC_MULT]  = 1.0
+    modifiers[EVA_MULT]  = 1.0
     pbCalcAccuracyModifiers(user,target,modifiers,move,type,skill)
     # Check if move can't miss
     return 125 if modifiers[BASE_ACC]==0
@@ -597,8 +596,8 @@ class PokeBattle_AI
     stageDiv = [9,8,7,6,5,4, 3, 3,3,3,3,3,3]
     accuracy = 100.0 * stageMul[accStage] / stageDiv[accStage]
     evasion  = 100.0 * stageMul[evaStage] / stageDiv[evaStage]
-    accuracy = (accuracy * modifiers[ACC_MULT] / 0x1000).round
-    evasion  = (evasion  * modifiers[EVA_MULT] / 0x1000).round
+    accuracy = (accuracy * modifiers[ACC_MULT]).round
+    evasion  = (evasion  * modifiers[EVA_MULT]).round
     evasion = 1 if evasion<1
     return modifiers[BASE_ACC] * accuracy / evasion
   end
@@ -642,10 +641,10 @@ class PokeBattle_AI
     # Other effects, inc. ones that set ACC_MULT or EVA_STAGE to specific values
     if skill>=PBTrainerAI.mediumSkill
       if @battle.field.effects[PBEffects::Gravity]>0
-        modifiers[ACC_MULT] = (modifiers[ACC_MULT]*5/3).round
+        modifiers[ACC_MULT] *= 5/3.0
       end
       if user.effects[PBEffects::MicleBerry]
-        modifiers[ACC_MULT] = (modifiers[ACC_MULT]*1.2).round
+        modifiers[ACC_MULT] *= 1.2
       end
       modifiers[EVA_STAGE] = 0 if target.effects[PBEffects::Foresight] && modifiers[EVA_STAGE]>0
       modifiers[EVA_STAGE] = 0 if target.effects[PBEffects::MiracleEye] && modifiers[EVA_STAGE]>0
diff --git a/Data/Scripts/012_Battle/006_BattleHandlers.rb b/Data/Scripts/012_Battle/006_BattleHandlers.rb
index e159defcd..b0080dba5 100644
--- a/Data/Scripts/012_Battle/006_BattleHandlers.rb
+++ b/Data/Scripts/012_Battle/006_BattleHandlers.rb
@@ -578,16 +578,16 @@ def pbBattleGem(user,type,move,mults,moveType)
   return if !isConst?(moveType,PBTypes,type)
   user.effects[PBEffects::GemConsumed] = user.item
   if NEWEST_BATTLE_MECHANICS
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.3).round
+    mults[BASE_DMG_MULT] *= 1.3
   else
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.5).round
+    mults[BASE_DMG_MULT] *= 1.5
   end
 end
 
 def pbBattleTypeWeakingBerry(type,moveType,target,mults)
   return if !isConst?(moveType,PBTypes,type)
   return if PBTypes.resistant?(target.damageState.typeMod) && !isConst?(moveType,PBTypes,:NORMAL)
-  mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]/2).round
+  mults[FINAL_DMG_MULT] /= 2
   target.damageState.berryWeakened = true
   target.battle.pbCommonAnimation("EatBerry",target)
 end
diff --git a/Data/Scripts/012_Battle/007_BattleHandlers_Abilities.rb b/Data/Scripts/012_Battle/007_BattleHandlers_Abilities.rb
index 031aab5f7..6f685224d 100644
--- a/Data/Scripts/012_Battle/007_BattleHandlers_Abilities.rb
+++ b/Data/Scripts/012_Battle/007_BattleHandlers_Abilities.rb
@@ -11,7 +11,7 @@ BattleHandlers::SpeedCalcAbility.add(:CHLOROPHYLL,
 
 BattleHandlers::SpeedCalcAbility.add(:QUICKFEET,
   proc { |ability,battler,mult|
-    next (mult*1.5).round if battler.pbHasAnyStatus?
+    next mult*1.5 if battler.pbHasAnyStatus?
   }
 )
 
@@ -767,13 +767,13 @@ BattleHandlers::MoveBaseTypeModifierAbility.add(:REFRIGERATE,
 
 BattleHandlers::AccuracyCalcUserAbility.add(:COMPOUNDEYES,
   proc { |ability,mods,user,target,move,type|
-    mods[ACC_MULT] = (mods[ACC_MULT]*1.3).round
+    mods[ACC_MULT] *= 1.3
   }
 )
 
 BattleHandlers::AccuracyCalcUserAbility.add(:HUSTLE,
   proc { |ability,mods,user,target,move,type|
-    mods[ACC_MULT] = (mods[ACC_MULT]*0.8).round if move.physicalMove?
+    mods[ACC_MULT] *= 0.8 if move.physicalMove?
   }
 )
 
@@ -797,7 +797,7 @@ BattleHandlers::AccuracyCalcUserAbility.add(:UNAWARE,
 
 BattleHandlers::AccuracyCalcUserAbility.add(:VICTORYSTAR,
   proc { |ability,mods,user,target,move,type|
-    mods[ACC_MULT] = (mods[ACC_MULT]*1.1).round
+    mods[ACC_MULT] *= 1.1
   }
 )
 
@@ -807,7 +807,7 @@ BattleHandlers::AccuracyCalcUserAbility.add(:VICTORYSTAR,
 
 BattleHandlers::AccuracyCalcUserAllyAbility.add(:VICTORYSTAR,
   proc { |ability,mods,user,target,move,type|
-    mods[ACC_MULT] = (mods[ACC_MULT]*1.1).round
+    mods[ACC_MULT] *= 1.1
   }
 )
 
@@ -830,7 +830,7 @@ BattleHandlers::AccuracyCalcTargetAbility.add(:NOGUARD,
 BattleHandlers::AccuracyCalcTargetAbility.add(:SANDVEIL,
   proc { |ability,mods,user,target,move,type|
     if target.battle.pbWeather==PBWeather::Sandstorm
-      mods[EVA_MULT] = (mods[EVA_MULT]*1.25).round
+      mods[EVA_MULT] *= 1.25
     end
   }
 )
@@ -838,7 +838,7 @@ BattleHandlers::AccuracyCalcTargetAbility.add(:SANDVEIL,
 BattleHandlers::AccuracyCalcTargetAbility.add(:SNOWCLOAK,
   proc { |ability,mods,user,target,move,type|
     if target.battle.pbWeather==PBWeather::Hail
-      mods[EVA_MULT] = (mods[EVA_MULT]*1.25).round
+      mods[EVA_MULT] *= 1.25
     end
   }
 )
@@ -875,7 +875,7 @@ BattleHandlers::AccuracyCalcTargetAbility.add(:WONDERSKIN,
 
 BattleHandlers::DamageCalcUserAbility.add(:AERILATE,
   proc { |ability,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if move.powerBoost
+    mults[BASE_DMG_MULT] *= 1.2 if move.powerBoost
   }
 )
 
@@ -886,7 +886,7 @@ BattleHandlers::DamageCalcUserAbility.add(:ANALYTIC,
     if (target.battle.choices[target.index][0]!=:UseMove &&
        target.battle.choices[target.index][0]!=:Shift) ||
        target.movedThisRound?
-      mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.3).round
+      mults[BASE_DMG_MULT] *= 1.3
     end
   }
 )
@@ -894,21 +894,21 @@ BattleHandlers::DamageCalcUserAbility.add(:ANALYTIC,
 BattleHandlers::DamageCalcUserAbility.add(:BLAZE,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if user.hp<=user.totalhp/3 && isConst?(type,PBTypes,:FIRE)
-      mults[ATK_MULT] = (mults[ATK_MULT]*1.5).round
+      mults[ATK_MULT] *= 1.5
     end
   }
 )
 
 BattleHandlers::DamageCalcUserAbility.add(:DEFEATIST,
   proc { |ability,user,target,move,mults,baseDmg,type|
-    mults[ATK_MULT] = (mults[ATK_MULT]*0.5).round if user.hp<=user.totalhp/2
+    mults[ATK_MULT] /= 2 if user.hp<=user.totalhp/2
   }
 )
 
 BattleHandlers::DamageCalcUserAbility.add(:FLAREBOOST,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if user.burned? && move.specialMove?
-      mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.5).round
+      mults[BASE_DMG_MULT] *= 1.5
     end
   }
 )
@@ -916,7 +916,7 @@ BattleHandlers::DamageCalcUserAbility.add(:FLAREBOOST,
 BattleHandlers::DamageCalcUserAbility.add(:FLASHFIRE,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if user.effects[PBEffects::FlashFire] && isConst?(type,PBTypes,:FIRE)
-      mults[ATK_MULT] = (mults[ATK_MULT]*1.5).round
+      mults[ATK_MULT] *= 1.5
     end
   }
 )
@@ -925,7 +925,7 @@ BattleHandlers::DamageCalcUserAbility.add(:FLOWERGIFT,
   proc { |ability,user,target,move,mults,baseDmg,type|
     w = user.battle.pbWeather
     if move.physicalMove? && (w==PBWeather::Sun || w==PBWeather::HarshSun)
-      mults[ATK_MULT] = (mults[ATK_MULT]*1.5).round
+      mults[ATK_MULT] *= 1.5
     end
   }
 )
@@ -933,7 +933,7 @@ BattleHandlers::DamageCalcUserAbility.add(:FLOWERGIFT,
 BattleHandlers::DamageCalcUserAbility.add(:GUTS,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if user.pbHasAnyStatus? && move.physicalMove?
-      mults[ATK_MULT] = (mults[ATK_MULT]*1.5).round
+      mults[ATK_MULT] *= 1.5
     end
   }
 )
@@ -948,19 +948,19 @@ BattleHandlers::DamageCalcUserAbility.copy(:HUGEPOWER,:PUREPOWER)
 
 BattleHandlers::DamageCalcUserAbility.add(:HUSTLE,
   proc { |ability,user,target,move,mults,baseDmg,type|
-    mults[ATK_MULT] = (mults[ATK_MULT]*1.5).round if move.physicalMove?
+    mults[ATK_MULT] *= 1.5 if move.physicalMove?
   }
 )
 
 BattleHandlers::DamageCalcUserAbility.add(:IRONFIST,
   proc { |ability,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if move.punchingMove?
+    mults[BASE_DMG_MULT] *= 1.2 if move.punchingMove?
   }
 )
 
 BattleHandlers::DamageCalcUserAbility.add(:MEGALAUNCHER,
   proc { |ability,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.5).round if move.pulseMove?
+    mults[BASE_DMG_MULT] *= 1.5 if move.pulseMove?
   }
 )
 
@@ -969,7 +969,7 @@ BattleHandlers::DamageCalcUserAbility.add(:MINUS,
     next if !move.specialMove?
     user.eachAlly do |b|
       next if !b.hasActiveAbility?([:MINUS,:PLUS])
-      mults[ATK_MULT] = (mults[ATK_MULT]*1.5).round
+      mults[ATK_MULT] *= 1.5
       break
     end
   }
@@ -980,7 +980,7 @@ BattleHandlers::DamageCalcUserAbility.copy(:MINUS,:PLUS)
 BattleHandlers::DamageCalcUserAbility.add(:NEUROFORCE,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if PBTypes.superEffective?(target.damageState.typeMod)
-      mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]*1.25).round
+      mults[FINAL_DMG_MULT] *= 1.25
     end
   }
 )
@@ -988,14 +988,14 @@ BattleHandlers::DamageCalcUserAbility.add(:NEUROFORCE,
 BattleHandlers::DamageCalcUserAbility.add(:OVERGROW,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if user.hp<=user.totalhp/3 && isConst?(type,PBTypes,:GRASS)
-      mults[ATK_MULT] = (mults[ATK_MULT]*1.5).round
+      mults[ATK_MULT] *= 1.5
     end
   }
 )
 
 BattleHandlers::DamageCalcUserAbility.add(:RECKLESS,
   proc { |ability,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if move.recoilMove?
+    mults[BASE_DMG_MULT] *= 1.2 if move.recoilMove?
   }
 )
 
@@ -1003,9 +1003,9 @@ BattleHandlers::DamageCalcUserAbility.add(:RIVALRY,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if user.gender!=2 && target.gender!=2
       if user.gender==target.gender
-        mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.25).round
+        mults[BASE_DMG_MULT] *= 1.25
       else
-        mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*0.75).round
+        mults[BASE_DMG_MULT] *= 0.75
       end
     end
   }
@@ -1017,22 +1017,20 @@ BattleHandlers::DamageCalcUserAbility.add(:SANDFORCE,
        (isConst?(type,PBTypes,:ROCK) ||
        isConst?(type,PBTypes,:GROUND) ||
        isConst?(type,PBTypes,:STEEL))
-      mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.3).round
+      mults[BASE_DMG_MULT] *= 1.3
     end
   }
 )
 
 BattleHandlers::DamageCalcUserAbility.add(:SHEERFORCE,
   proc { |ability,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.3).round if move.addlEffect>0
+    mults[BASE_DMG_MULT] *= 1.3 if move.addlEffect>0
   }
 )
 
 BattleHandlers::DamageCalcUserAbility.add(:SLOWSTART,
   proc { |ability,user,target,move,mults,baseDmg,type|
-    if user.turnCount<=5 && move.physicalMove?
-      mults[ATK_MULT] = (mults[ATK_MULT]*0.5).round
-    end
+    mults[ATK_MULT] /= 2 if user.turnCount<=5 && move.physicalMove?
   }
 )
 
@@ -1040,7 +1038,7 @@ BattleHandlers::DamageCalcUserAbility.add(:SOLARPOWER,
   proc { |ability,user,target,move,mults,baseDmg,type|
     w = user.battle.pbWeather
     if move.specialMove? && (w==PBWeather::Sun || w==PBWeather::HarshSun)
-      mults[ATK_MULT] = (mults[ATK_MULT]*1.5).round
+      mults[ATK_MULT] *= 1.5
     end
   }
 )
@@ -1048,7 +1046,7 @@ BattleHandlers::DamageCalcUserAbility.add(:SOLARPOWER,
 BattleHandlers::DamageCalcUserAbility.add(:SNIPER,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if target.damageState.critical
-      mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]*1.5).round
+      mults[FINAL_DMG_MULT] *= 1.5
     end
   }
 )
@@ -1061,28 +1059,28 @@ BattleHandlers::DamageCalcUserAbility.add(:STAKEOUT,
 
 BattleHandlers::DamageCalcUserAbility.add(:STEELWORKER,
   proc { |ability,user,target,move,mults,baseDmg,type|
-    mults[ATK_MULT] = (mults[ATK_MULT]*1.5).round if isConst?(type,PBTypes,:STEEL)
+    mults[ATK_MULT] *= 1.5 if isConst?(type,PBTypes,:STEEL)
   }
 )
 
 BattleHandlers::DamageCalcUserAbility.add(:STRONGJAW,
   proc { |ability,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.5).round if move.bitingMove?
+    mults[BASE_DMG_MULT] *= 1.5 if move.bitingMove?
   }
 )
 
 BattleHandlers::DamageCalcUserAbility.add(:SWARM,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if user.hp<=user.totalhp/3 && isConst?(type,PBTypes,:BUG)
-      mults[ATK_MULT] = (mults[ATK_MULT]*1.5).round
+      mults[ATK_MULT] *= 1.5
     end
   }
 )
 
 BattleHandlers::DamageCalcUserAbility.add(:TECHNICIAN,
   proc { |ability,user,target,move,mults,baseDmg,type|
-    if user.index!=target.index && move.id>0 && baseDmg*mults[BASE_DMG_MULT]/0x1000<=60
-      mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.5).round
+    if user.index!=target.index && move.id>0 && baseDmg*mults[BASE_DMG_MULT]<=60
+      mults[BASE_DMG_MULT] *= 1.5
     end
   }
 )
@@ -1096,21 +1094,21 @@ BattleHandlers::DamageCalcUserAbility.add(:TINTEDLENS,
 BattleHandlers::DamageCalcUserAbility.add(:TORRENT,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if user.hp<=user.totalhp/3 && isConst?(type,PBTypes,:WATER)
-      mults[ATK_MULT] = (mults[ATK_MULT]*1.5).round
+      mults[ATK_MULT] *= 1.5
     end
   }
 )
 
 BattleHandlers::DamageCalcUserAbility.add(:TOUGHCLAWS,
   proc { |ability,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*4/3.0).round if move.contactMove?
+    mults[BASE_DMG_MULT] *= 4/3.0 if move.contactMove?
   }
 )
 
 BattleHandlers::DamageCalcUserAbility.add(:TOXICBOOST,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if user.poisoned? && move.physicalMove?
-      mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.5).round
+      mults[BASE_DMG_MULT] *= 1.5
     end
   }
 )
@@ -1128,7 +1126,7 @@ BattleHandlers::DamageCalcUserAbility.add(:WATERBUBBLE,
 BattleHandlers::DamageCalcUserAllyAbility.add(:BATTERY,
   proc { |ability,user,target,move,mults,baseDmg,type|
     next if !move.specialMove?
-    mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]*1.3).round
+    mults[FINAL_DMG_MULT] *= 1.3
   }
 )
 
@@ -1136,7 +1134,7 @@ BattleHandlers::DamageCalcUserAllyAbility.add(:FLOWERGIFT,
   proc { |ability,user,target,move,mults,baseDmg,type|
     w = user.battle.pbWeather
     if move.physicalMove? && (w==PBWeather::Sun || w==PBWeather::HarshSun)
-      mults[ATK_MULT] = (mults[ATK_MULT]*1.5).round
+      mults[ATK_MULT] *= 1.5
     end
   }
 )
@@ -1148,7 +1146,7 @@ BattleHandlers::DamageCalcUserAllyAbility.add(:FLOWERGIFT,
 BattleHandlers::DamageCalcTargetAbility.add(:DRYSKIN,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if isConst?(type,PBTypes,:FIRE)
-      mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.25).round
+      mults[BASE_DMG_MULT] *= 1.25
     end
   }
 )
@@ -1156,7 +1154,7 @@ BattleHandlers::DamageCalcTargetAbility.add(:DRYSKIN,
 BattleHandlers::DamageCalcTargetAbility.add(:FILTER,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if PBTypes.superEffective?(target.damageState.typeMod)
-      mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]*0.75).round
+      mults[FINAL_DMG_MULT] *= 0.75
     end
   }
 )
@@ -1167,7 +1165,7 @@ BattleHandlers::DamageCalcTargetAbility.add(:FLOWERGIFT,
   proc { |ability,user,target,move,mults,baseDmg,type|
     w = user.battle.pbWeather
     if move.specialMove? && (w==PBWeather::Sun || w==PBWeather::HarshSun)
-      mults[DEF_MULT] = (mults[DEF_MULT]*1.5).round
+      mults[DEF_MULT] *= 1.5
     end
   }
 )
@@ -1175,7 +1173,7 @@ BattleHandlers::DamageCalcTargetAbility.add(:FLOWERGIFT,
 BattleHandlers::DamageCalcTargetAbility.add(:FLUFFY,
   proc { |ability,user,target,move,mults,baseDmg,type|
     mults[FINAL_DMG_MULT] *= 2 if isConst?(move.calcType,PBTypes,:FIRE)
-    mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]*0.5).round if move.contactMove?
+    mults[FINAL_DMG_MULT] /= 2 if move.contactMove?
   }
 )
 
@@ -1188,21 +1186,21 @@ BattleHandlers::DamageCalcTargetAbility.add(:FURCOAT,
 BattleHandlers::DamageCalcTargetAbility.add(:GRASSPELT,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if user.battle.field.terrain==PBBattleTerrains::Grassy
-      mults[DEF_MULT] = (mults[DEF_MULT]*1.5).round
+      mults[DEF_MULT] *= 1.5
     end
   }
 )
 
 BattleHandlers::DamageCalcTargetAbility.add(:HEATPROOF,
   proc { |ability,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*0.5).round if isConst?(type,PBTypes,:FIRE)
+    mults[BASE_DMG_MULT] /= 2 if isConst?(type,PBTypes,:FIRE)
   }
 )
 
 BattleHandlers::DamageCalcTargetAbility.add(:MARVELSCALE,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if target.pbHasAnyStatus? && move.physicalMove?
-      mults[DEF_MULT] = (mults[DEF_MULT]*1.5).round
+      mults[DEF_MULT] *= 1.5
     end
   }
 )
@@ -1210,7 +1208,7 @@ BattleHandlers::DamageCalcTargetAbility.add(:MARVELSCALE,
 BattleHandlers::DamageCalcTargetAbility.add(:MULTISCALE,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if target.hp==target.totalhp
-      mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]*0.5).round
+      mults[FINAL_DMG_MULT] /= 2
     end
   }
 )
@@ -1218,7 +1216,7 @@ BattleHandlers::DamageCalcTargetAbility.add(:MULTISCALE,
 BattleHandlers::DamageCalcTargetAbility.add(:THICKFAT,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if isConst?(type,PBTypes,:FIRE) || isConst?(type,PBTypes,:ICE)
-      mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*0.5).round
+      mults[BASE_DMG_MULT] /= 2
     end
   }
 )
@@ -1226,7 +1224,7 @@ BattleHandlers::DamageCalcTargetAbility.add(:THICKFAT,
 BattleHandlers::DamageCalcTargetAbility.add(:WATERBUBBLE,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if isConst?(type,PBTypes,:FIRE)
-      mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]*0.5).round
+      mults[FINAL_DMG_MULT] /= 2
     end
   }
 )
@@ -1238,7 +1236,7 @@ BattleHandlers::DamageCalcTargetAbility.add(:WATERBUBBLE,
 BattleHandlers::DamageCalcTargetAbilityNonIgnorable.add(:PRISMARMOR,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if PBTypes.superEffective?(target.damageState.typeMod)
-      mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]*0.75).round
+      mults[FINAL_DMG_MULT] *= 0.75
     end
   }
 )
@@ -1246,7 +1244,7 @@ BattleHandlers::DamageCalcTargetAbilityNonIgnorable.add(:PRISMARMOR,
 BattleHandlers::DamageCalcTargetAbilityNonIgnorable.add(:SHADOWSHIELD,
   proc { |ability,user,target,move,mults,baseDmg,type|
     if target.hp==target.totalhp
-      mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]*0.5).round
+      mults[FINAL_DMG_MULT] /= 2
     end
   }
 )
@@ -1259,14 +1257,14 @@ BattleHandlers::DamageCalcTargetAllyAbility.add(:FLOWERGIFT,
   proc { |ability,user,target,move,mults,baseDmg,type|
     w = user.battle.pbWeather
     if move.specialMove? && (w==PBWeather::Sun || w==PBWeather::HarshSun)
-      mults[DEF_MULT] = (mults[DEF_MULT]*1.5).round
+      mults[DEF_MULT] *= 1.5
     end
   }
 )
 
 BattleHandlers::DamageCalcTargetAllyAbility.add(:FRIENDGUARD,
   proc { |ability,user,target,move,mults,baseDmg,type|
-    mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]*0.75).round
+    mults[FINAL_DMG_MULT] *= 0.75
   }
 )
 
diff --git a/Data/Scripts/012_Battle/008_BattleHandlers_Items.rb b/Data/Scripts/012_Battle/008_BattleHandlers_Items.rb
index edd3ff257..541d16c79 100644
--- a/Data/Scripts/012_Battle/008_BattleHandlers_Items.rb
+++ b/Data/Scripts/012_Battle/008_BattleHandlers_Items.rb
@@ -4,7 +4,7 @@
 
 BattleHandlers::SpeedCalcItem.add(:CHOICESCARF,
   proc { |item,battler,mult|
-    next (mult*1.5).round
+    next mult*1.5
   }
 )
 
@@ -414,7 +414,7 @@ BattleHandlers::PriorityBracketUseItem.add(:QUICKCLAW,
 
 BattleHandlers::AccuracyCalcUserItem.add(:WIDELENS,
   proc { |item,mods,user,target,move,type|
-    mods[ACC_MULT] = (mods[ACC_MULT]*1.1).round
+    mods[ACC_MULT] *= 1.1
   }
 )
 
@@ -423,7 +423,7 @@ BattleHandlers::AccuracyCalcUserItem.add(:ZOOMLENS,
     if (target.battle.choices[target.index][0]!=:UseMove &&
        target.battle.choices[target.index][0]!=:Shift) ||
        target.movedThisRound?
-      mods[ACC_MULT] = (mods[ACC_MULT]*1.2).round
+      mods[ACC_MULT] *= 1.2
     end
   }
 )
@@ -434,7 +434,7 @@ BattleHandlers::AccuracyCalcUserItem.add(:ZOOMLENS,
 
 BattleHandlers::AccuracyCalcTargetItem.add(:BRIGHTPOWDER,
   proc { |item,mods,user,target,move,type|
-    mods[ACC_MULT] = (mods[ACC_MULT]*0.9).round
+    mods[ACC_MULT] *= 0.9
   }
 )
 
@@ -448,14 +448,14 @@ BattleHandlers::DamageCalcUserItem.add(:ADAMANTORB,
   proc { |item,user,target,move,mults,baseDmg,type|
     if user.isSpecies?(:DIALGA) &&
        (isConst?(type,PBTypes,:DRAGON) || isConst?(type,PBTypes,:STEEL))
-      mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round
+      mults[BASE_DMG_MULT] *= 1.2
     end
   }
 )
 
 BattleHandlers::DamageCalcUserItem.add(:BLACKBELT,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:FIGHTING)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:FIGHTING)
   }
 )
 
@@ -463,7 +463,7 @@ BattleHandlers::DamageCalcUserItem.copy(:BLACKBELT,:FISTPLATE)
 
 BattleHandlers::DamageCalcUserItem.add(:BLACKGLASSES,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:DARK)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:DARK)
   }
 )
 
@@ -477,7 +477,7 @@ BattleHandlers::DamageCalcUserItem.add(:BUGGEM,
 
 BattleHandlers::DamageCalcUserItem.add(:CHARCOAL,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:FIRE)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:FIRE)
   }
 )
 
@@ -485,13 +485,13 @@ BattleHandlers::DamageCalcUserItem.copy(:CHARCOAL,:FLAMEPLATE)
 
 BattleHandlers::DamageCalcUserItem.add(:CHOICEBAND,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.5).round if move.physicalMove?
+    mults[BASE_DMG_MULT] *= 1.5 if move.physicalMove?
   }
 )
 
 BattleHandlers::DamageCalcUserItem.add(:CHOICESPECS,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.5).round if move.specialMove?
+    mults[BASE_DMG_MULT] *= 1.5 if move.specialMove?
   }
 )
 
@@ -511,7 +511,7 @@ BattleHandlers::DamageCalcUserItem.add(:DEEPSEATOOTH,
 
 BattleHandlers::DamageCalcUserItem.add(:DRAGONFANG,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:DRAGON)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:DRAGON)
   }
 )
 
@@ -532,7 +532,7 @@ BattleHandlers::DamageCalcUserItem.add(:ELECTRICGEM,
 BattleHandlers::DamageCalcUserItem.add(:EXPERTBELT,
   proc { |item,user,target,move,mults,baseDmg,type|
     if PBTypes.superEffective?(target.damageState.typeMod)
-      mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]*1.2).round
+      mults[FINAL_DMG_MULT] *= 1.2
     end
   }
 )
@@ -577,7 +577,7 @@ BattleHandlers::DamageCalcUserItem.add(:GRISEOUSORB,
   proc { |item,user,target,move,mults,baseDmg,type|
     if user.isSpecies?(:GIRATINA) &&
        (isConst?(type,PBTypes,:DRAGON) || isConst?(type,PBTypes,:GHOST))
-      mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round
+      mults[BASE_DMG_MULT] *= 1.2
     end
   }
 )
@@ -590,7 +590,7 @@ BattleHandlers::DamageCalcUserItem.add(:GROUNDGEM,
 
 BattleHandlers::DamageCalcUserItem.add(:HARDSTONE,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:ROCK)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:ROCK)
   }
 )
 
@@ -605,7 +605,7 @@ BattleHandlers::DamageCalcUserItem.add(:ICEGEM,
 BattleHandlers::DamageCalcUserItem.add(:LIFEORB,
   proc { |item,user,target,move,mults,baseDmg,type|
     if !move.is_a?(PokeBattle_Confusion)
-      mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]*1.3).round
+      mults[FINAL_DMG_MULT] *= 1.3
     end
   }
 )
@@ -622,14 +622,14 @@ BattleHandlers::DamageCalcUserItem.add(:LUSTROUSORB,
   proc { |item,user,target,move,mults,baseDmg,type|
     if user.isSpecies?(:PALKIA) &&
        (isConst?(type,PBTypes,:DRAGON) || isConst?(type,PBTypes,:WATER))
-      mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round
+      mults[BASE_DMG_MULT] *= 1.2
     end
   }
 )
 
 BattleHandlers::DamageCalcUserItem.add(:MAGNET,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:ELECTRIC)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:ELECTRIC)
   }
 )
 
@@ -637,7 +637,7 @@ BattleHandlers::DamageCalcUserItem.copy(:MAGNET,:ZAPPLATE)
 
 BattleHandlers::DamageCalcUserItem.add(:METALCOAT,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:STEEL)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:STEEL)
   }
 )
 
@@ -646,13 +646,13 @@ BattleHandlers::DamageCalcUserItem.copy(:METALCOAT,:IRONPLATE)
 BattleHandlers::DamageCalcUserItem.add(:METRONOME,
   proc { |item,user,target,move,mults,baseDmg,type|
     met = 1+0.2*[user.effects[PBEffects::Metronome],5].min
-    mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]*met).round
+    mults[FINAL_DMG_MULT] *= met
   }
 )
 
 BattleHandlers::DamageCalcUserItem.add(:MIRACLESEED,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:GRASS)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:GRASS)
   }
 )
 
@@ -660,13 +660,13 @@ BattleHandlers::DamageCalcUserItem.copy(:MIRACLESEED,:MEADOWPLATE,:ROSEINCENSE)
 
 BattleHandlers::DamageCalcUserItem.add(:MUSCLEBAND,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.1).round if move.physicalMove?
+    mults[BASE_DMG_MULT] *= 1.1 if move.physicalMove?
   }
 )
 
 BattleHandlers::DamageCalcUserItem.add(:MYSTICWATER,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:WATER)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:WATER)
   }
 )
 
@@ -674,7 +674,7 @@ BattleHandlers::DamageCalcUserItem.copy(:MYSTICWATER,:SPLASHPLATE,:SEAINCENSE,:W
 
 BattleHandlers::DamageCalcUserItem.add(:NEVERMELTICE,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:ICE)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:ICE)
   }
 )
 
@@ -688,13 +688,13 @@ BattleHandlers::DamageCalcUserItem.add(:NORMALGEM,
 
 BattleHandlers::DamageCalcUserItem.add(:PIXIEPLATE,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:FAIRY)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:FAIRY)
   }
 )
 
 BattleHandlers::DamageCalcUserItem.add(:POISONBARB,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:POISON)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:POISON)
   }
 )
 
@@ -720,7 +720,7 @@ BattleHandlers::DamageCalcUserItem.add(:ROCKGEM,
 
 BattleHandlers::DamageCalcUserItem.add(:SHARPBEAK,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:FLYING)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:FLYING)
   }
 )
 
@@ -728,13 +728,13 @@ BattleHandlers::DamageCalcUserItem.copy(:SHARPBEAK,:SKYPLATE)
 
 BattleHandlers::DamageCalcUserItem.add(:SILKSCARF,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:NORMAL)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:NORMAL)
   }
 )
 
 BattleHandlers::DamageCalcUserItem.add(:SILVERPOWDER,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:BUG)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:BUG)
   }
 )
 
@@ -742,7 +742,7 @@ BattleHandlers::DamageCalcUserItem.copy(:SILVERPOWDER,:INSECTPLATE)
 
 BattleHandlers::DamageCalcUserItem.add(:SOFTSAND,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:GROUND)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:GROUND)
   }
 )
 
@@ -753,11 +753,11 @@ BattleHandlers::DamageCalcUserItem.add(:SOULDEW,
     next if !user.isSpecies?(:LATIAS) && !user.isSpecies?(:LATIOS)
     if NEWEST_BATTLE_MECHANICS
       if isConst?(type,PBTypes,:PSYCHIC) || isConst?(type,PBTypes,:DRAGON)
-        mults[FINAL_DMG_MULT] = (mults[FINAL_DMG_MULT]*1.2).round
+        mults[FINAL_DMG_MULT] *= 1.2
       end
     else
       if move.specialMove? && !user.battle.rules["souldewclause"]
-        mults[ATK_MULT] = (mults[ATK_MULT]*1.5).round
+        mults[ATK_MULT] *= 1.5
       end
     end
   }
@@ -765,7 +765,7 @@ BattleHandlers::DamageCalcUserItem.add(:SOULDEW,
 
 BattleHandlers::DamageCalcUserItem.add(:SPELLTAG,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:GHOST)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:GHOST)
   }
 )
 
@@ -787,7 +787,7 @@ BattleHandlers::DamageCalcUserItem.add(:THICKCLUB,
 
 BattleHandlers::DamageCalcUserItem.add(:TWISTEDSPOON,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.2).round if isConst?(type,PBTypes,:PSYCHIC)
+    mults[BASE_DMG_MULT] *= 1.2 if isConst?(type,PBTypes,:PSYCHIC)
   }
 )
 
@@ -801,7 +801,7 @@ BattleHandlers::DamageCalcUserItem.add(:WATERGEM,
 
 BattleHandlers::DamageCalcUserItem.add(:WISEGLASSES,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[BASE_DMG_MULT] = (mults[BASE_DMG_MULT]*1.1).round if move.specialMove?
+    mults[BASE_DMG_MULT] *= 1.1 if move.specialMove?
   }
 )
 
@@ -814,7 +814,7 @@ BattleHandlers::DamageCalcUserItem.add(:WISEGLASSES,
 
 BattleHandlers::DamageCalcTargetItem.add(:ASSAULTVEST,
   proc { |item,user,target,move,mults,baseDmg,type|
-    mults[DEF_MULT] = (mults[DEF_MULT]*1.5).round if move.specialMove?
+    mults[DEF_MULT] *= 1.5 if move.specialMove?
   }
 )
 
@@ -869,7 +869,7 @@ BattleHandlers::DamageCalcTargetItem.add(:EVIOLITE,
     #       evolve even if the species generally can, and such forms are not
     #       affected by Eviolite.
     evos = pbGetEvolvedFormData(target.pokemon.fSpecies,true)
-    mults[DEF_MULT] = (mults[DEF_MULT]*1.5).round if evos && evos.length>0
+    mults[DEF_MULT] *= 1.5 if evos && evos.length>0
   }
 )
 
@@ -894,7 +894,7 @@ BattleHandlers::DamageCalcTargetItem.add(:KEBIABERRY,
 BattleHandlers::DamageCalcTargetItem.add(:METALPOWDER,
   proc { |item,user,target,move,mults,baseDmg,type|
     if target.isSpecies?(:DITTO) && !target.effects[PBEffects::Transform]
-      mults[DEF_MULT] = (mults[DEF_MULT]*1.5).round
+      mults[DEF_MULT] *= 1.5
     end
   }
 )
@@ -940,7 +940,7 @@ BattleHandlers::DamageCalcTargetItem.add(:SOULDEW,
     next if NEWEST_BATTLE_MECHANICS
     next if !target.isSpecies?(:LATIAS) && !target.isSpecies?(:LATIOS)
     if move.specialMove? && !user.battle.rules["souldewclause"]
-      mults[DEF_MULT] = (mults[DEF_MULT]*1.5).round
+      mults[DEF_MULT] *= 1.5
     end
   }
 )