diff --git a/sim/core/aura_helpers.go b/sim/core/aura_helpers.go
index 756c697985..1f93580025 100644
--- a/sim/core/aura_helpers.go
+++ b/sim/core/aura_helpers.go
@@ -222,7 +222,7 @@ func (character *Character) NewTemporaryStatsAuraWrapped(auraLabel string, actio
 			if sim.Log != nil {
 				character.Log(sim, "Lost %s from fading %s.", buffs.FlatString(), actionID)
 			}
-			character.AddStatsDynamic(sim, buffs.Multiply(-1))
+			character.AddStatsDynamic(sim, buffs.Invert())
 		},
 	}
 
diff --git a/sim/core/debuffs.go b/sim/core/debuffs.go
index 9908a2ec8c..7242de9ea7 100644
--- a/sim/core/debuffs.go
+++ b/sim/core/debuffs.go
@@ -776,7 +776,7 @@ func apReductionEffect(aura *Aura, apReduction float64) *ExclusiveEffect {
 			ee.Aura.Unit.AddStatsDynamic(sim, statReduction)
 		},
 		OnExpire: func(ee *ExclusiveEffect, sim *Simulation) {
-			ee.Aura.Unit.AddStatsDynamic(sim, statReduction.Multiply(-1))
+			ee.Aura.Unit.AddStatsDynamic(sim, statReduction.Invert())
 		},
 	})
 }
diff --git a/sim/core/pet.go b/sim/core/pet.go
index a4dfbe4dee..3c8c1f371a 100644
--- a/sim/core/pet.go
+++ b/sim/core/pet.go
@@ -211,7 +211,7 @@ func (pet *Pet) Disable(sim *Simulation) {
 
 	// Remove inherited stats on dismiss if not permanent
 	if pet.isGuardian || pet.timeoutAction != nil {
-		pet.AddStatsDynamic(sim, pet.inheritedStats.Multiply(-1))
+		pet.AddStatsDynamic(sim, pet.inheritedStats.Invert())
 		pet.inheritedStats = stats.Stats{}
 	}
 
diff --git a/sim/core/stats/stats.go b/sim/core/stats/stats.go
index 7aaf09e24b..ebfcdfe386 100644
--- a/sim/core/stats/stats.go
+++ b/sim/core/stats/stats.go
@@ -183,21 +183,20 @@ func (s Stat) StatName() string {
 }
 
 func FromFloatArray(values []float64) Stats {
-	stats := Stats{}
+	var stats Stats
 	copy(stats[:], values)
 	return stats
 }
 
 // Adds two Stats together, returning the new Stats.
 func (stats Stats) Add(other Stats) Stats {
-	var newStats Stats
-	for k, v := range stats {
-		newStats[k] = v + other[k]
+	for k := range stats {
+		stats[k] += other[k]
 	}
-	return newStats
+	return stats
 }
 
-// Adds another to Stats to this, in-place.
+// Adds another to Stats to this, in-place. For performance, only.
 func (stats *Stats) AddInplace(other *Stats) {
 	for k := range stats {
 		stats[k] += other[k]
@@ -206,38 +205,37 @@ func (stats *Stats) AddInplace(other *Stats) {
 
 // Subtracts another Stats from this one, returning the new Stats.
 func (stats Stats) Subtract(other Stats) Stats {
-	var newStats Stats
+	for k := range stats {
+		stats[k] -= other[k]
+	}
+	return stats
+}
+
+func (stats Stats) Invert() Stats {
 	for k, v := range stats {
-		newStats[k] = v - other[k]
+		stats[k] = -v
 	}
-	return newStats
+	return stats
 }
 
 func (stats Stats) Multiply(multiplier float64) Stats {
-	var newStats Stats
-	for k, v := range stats {
-		newStats[k] = v * multiplier
+	for k := range stats {
+		stats[k] *= multiplier
 	}
-	return newStats
+	return stats
 }
 
 // Multiplies two Stats together by multiplying the values of corresponding
 // stats, like a dot product operation.
 func (stats Stats) DotProduct(other Stats) Stats {
-	var newStats Stats
-	for k, v := range stats {
-		newStats[k] = v * other[k]
+	for k := range stats {
+		stats[k] *= other[k]
 	}
-	return newStats
+	return stats
 }
 
 func (stats Stats) Equals(other Stats) bool {
-	for k, v := range stats {
-		if v != other[k] {
-			return false
-		}
-	}
-	return true
+	return stats == other
 }
 
 func (stats Stats) EqualsWithTolerance(other Stats, tolerance float64) bool {
diff --git a/sim/deathknight/dps/TestUnholy.results b/sim/deathknight/dps/TestUnholy.results
index 6507baca80..8b4defc1c7 100644
--- a/sim/deathknight/dps/TestUnholy.results
+++ b/sim/deathknight/dps/TestUnholy.results
@@ -46,184 +46,184 @@ character_stats_results: {
 dps_results: {
  key: "TestUnholy-AllItems-Althor'sAbacus-50359"
  value: {
-  dps: 11438.25314
-  tps: 7562.4611
+  dps: 11438.45749
+  tps: 7562.27641
   hps: 418.74234
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Althor'sAbacus-50366"
  value: {
-  dps: 11438.25314
-  tps: 7562.4611
+  dps: 11438.45749
+  tps: 7562.27641
   hps: 432.31455
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-AustereEarthsiegeDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7815.20256
+  dps: 11987.5544
+  tps: 7815.17056
   hps: 321.64781
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Bandit'sInsignia-40371"
  value: {
-  dps: 11668.32122
-  tps: 7760.15215
+  dps: 11668.51326
+  tps: 7759.87924
   hps: 315.10972
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-BaubleofTrueBlood-50354"
  value: {
-  dps: 11438.31898
-  tps: 7562.51169
+  dps: 11438.52333
+  tps: 7562.327
   hps: 408.31737
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-BaubleofTrueBlood-50726"
  value: {
-  dps: 11438.31898
-  tps: 7562.51169
+  dps: 11438.52333
+  tps: 7562.327
   hps: 408.31737
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-BeamingEarthsiegeDiamond"
  value: {
-  dps: 12012.54281
-  tps: 7836.47344
+  dps: 12013.00298
+  tps: 7836.44144
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Beast-tamer'sShoulders-30892"
  value: {
-  dps: 11341.54125
-  tps: 7314.8544
+  dps: 11341.63964
+  tps: 7315.02681
   hps: 302.45308
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-BlessedBattlegearofUndeadSlaying"
  value: {
-  dps: 8938.21256
-  tps: 5760.79173
+  dps: 8938.17521
+  tps: 5760.72148
   hps: 260.97407
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-BlessedGarboftheUndeadSlayer"
  value: {
-  dps: 8750.58474
-  tps: 5678.98468
+  dps: 8750.65427
+  tps: 5679.0567
   hps: 249.56588
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-BlessedRegaliaofUndeadCleansing"
  value: {
-  dps: 8505.73123
-  tps: 5472.94501
+  dps: 8505.75319
+  tps: 5472.82635
   hps: 245.79221
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-BracingEarthsiegeDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7658.89851
+  dps: 11987.5544
+  tps: 7658.86715
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Bryntroll,theBoneArbiter-50415"
  value: {
-  dps: 12134.70888
-  tps: 7950.21977
+  dps: 12135.19759
+  tps: 7950.18776
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Bryntroll,theBoneArbiter-50709"
  value: {
-  dps: 12134.70888
-  tps: 7950.21977
+  dps: 12135.19759
+  tps: 7950.18776
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-ChaoticSkyflareDiamond"
  value: {
-  dps: 12146.75712
-  tps: 7962.25623
+  dps: 12147.24584
+  tps: 7962.22422
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-CorpseTongueCoin-50349"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-CorpseTongueCoin-50352"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-CorrodedSkeletonKey-50356"
  value: {
-  dps: 11438.30511
-  tps: 7562.49521
+  dps: 11438.50946
+  tps: 7562.31052
   hps: 410.93938
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-DarkmoonCard:Berserker!-42989"
  value: {
-  dps: 11595.79229
-  tps: 7706.43318
+  dps: 11595.74534
+  tps: 7706.0194
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-DarkmoonCard:Death-42990"
  value: {
-  dps: 11644.07752
-  tps: 7748.49705
+  dps: 11644.36771
+  tps: 7748.50954
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-DarkmoonCard:Greatness-44255"
  value: {
-  dps: 11803.64124
-  tps: 7758.96595
+  dps: 11803.78136
+  tps: 7758.76767
   hps: 314.68845
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-DarkrunedBattlegear"
  value: {
-  dps: 9925.07429
-  tps: 6430.21007
+  dps: 9925.0801
+  tps: 6430.26092
   hps: 289.86734
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-DarkrunedPlate"
  value: {
-  dps: 8825.9019
-  tps: 5654.31339
+  dps: 8825.9268
+  tps: 5654.26236
   hps: 309.85918
  }
 }
@@ -238,168 +238,168 @@ dps_results: {
 dps_results: {
  key: "TestUnholy-AllItems-DeathKnight'sAnguish-38212"
  value: {
-  dps: 11558.57467
-  tps: 7672.68474
+  dps: 11558.5734
+  tps: 7672.46319
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Deathbringer'sWill-50362"
  value: {
-  dps: 11891.73383
-  tps: 7983.44774
+  dps: 11891.79701
+  tps: 7982.98203
   hps: 326.90527
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Deathbringer'sWill-50363"
  value: {
-  dps: 11970.74711
-  tps: 8073.76767
+  dps: 11971.93921
+  tps: 8074.33889
   hps: 322.69257
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Defender'sCode-40257"
  value: {
-  dps: 11438.26683
-  tps: 7562.43702
+  dps: 11438.47118
+  tps: 7562.25233
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-DestructiveSkyflareDiamond"
  value: {
-  dps: 12016.07853
-  tps: 7839.14967
+  dps: 12016.61782
+  tps: 7839.14676
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-DislodgedForeignObject-50348"
  value: {
-  dps: 11851.17556
-  tps: 7776.9113
+  dps: 11851.85681
+  tps: 7777.11138
   hps: 319.32242
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-DislodgedForeignObject-50353"
  value: {
-  dps: 11782.96904
-  tps: 7726.26769
+  dps: 11783.31523
+  tps: 7726.23935
   hps: 318.05861
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-EffulgentSkyflareDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7815.20256
+  dps: 11987.5544
+  tps: 7815.17056
   hps: 321.64781
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-EmberSkyflareDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7815.20256
+  dps: 11987.5544
+  tps: 7815.17056
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-EnigmaticSkyflareDiamond"
  value: {
-  dps: 12012.54281
-  tps: 7836.47344
+  dps: 12013.00298
+  tps: 7836.44144
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-EnigmaticStarflareDiamond"
  value: {
-  dps: 12006.68937
-  tps: 7831.42456
+  dps: 12007.14954
+  tps: 7831.39255
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-EphemeralSnowflake-50260"
  value: {
-  dps: 11759.79723
-  tps: 7674.83362
+  dps: 11759.81948
+  tps: 7674.70939
   hps: 318.47988
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-EssenceofGossamer-37220"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 330.82192
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-EternalEarthsiegeDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7815.20256
+  dps: 11987.5544
+  tps: 7815.17056
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-ExtractofNecromanticPower-40373"
  value: {
-  dps: 11687.70288
-  tps: 7784.80745
+  dps: 11687.67692
+  tps: 7784.64024
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-EyeoftheBroodmother-45308"
  value: {
-  dps: 11573.71686
-  tps: 7684.61132
+  dps: 11573.63791
+  tps: 7684.18489
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Figurine-SapphireOwl-42413"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-ForethoughtTalisman-40258"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-ForgeEmber-37660"
  value: {
-  dps: 11549.58926
-  tps: 7660.78271
+  dps: 11549.51414
+  tps: 7660.34405
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-ForlornSkyflareDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7815.20256
+  dps: 11987.5544
+  tps: 7815.17056
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-ForlornStarflareDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7815.20256
+  dps: 11987.5544
+  tps: 7815.17056
   hps: 317.21607
  }
 }
@@ -414,40 +414,40 @@ dps_results: {
 dps_results: {
  key: "TestUnholy-AllItems-FuryoftheFiveFlights-40431"
  value: {
-  dps: 11709.32394
-  tps: 7785.65046
+  dps: 11709.53505
+  tps: 7785.45971
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-FuturesightRune-38763"
  value: {
-  dps: 11438.26683
-  tps: 7562.43702
+  dps: 11438.47118
+  tps: 7562.25233
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-GlowingTwilightScale-54573"
  value: {
-  dps: 11438.28938
-  tps: 7562.4713
+  dps: 11438.49374
+  tps: 7562.28661
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-GlowingTwilightScale-54589"
  value: {
-  dps: 11438.28938
-  tps: 7562.4713
+  dps: 11438.49374
+  tps: 7562.28661
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-GnomishLightningGenerator-41121"
  value: {
-  dps: 11601.88591
-  tps: 7717.07558
+  dps: 11602.16505
+  tps: 7717.12338
   hps: 315.10972
  }
 }
@@ -462,192 +462,192 @@ dps_results: {
 dps_results: {
  key: "TestUnholy-AllItems-IllustrationoftheDragonSoul-40432"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-ImpassiveSkyflareDiamond"
  value: {
-  dps: 12012.54281
-  tps: 7836.47344
+  dps: 12013.00298
+  tps: 7836.44144
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-ImpassiveStarflareDiamond"
  value: {
-  dps: 12006.68937
-  tps: 7831.42456
+  dps: 12007.14954
+  tps: 7831.39255
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-IncisorFragment-37723"
  value: {
-  dps: 11635.30172
-  tps: 7726.46439
+  dps: 11635.50909
+  tps: 7726.27678
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-InsightfulEarthsiegeDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7815.20256
+  dps: 11987.5544
+  tps: 7815.17056
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-InvigoratingEarthsiegeDiamond"
  value: {
-  dps: 12024.58925
-  tps: 7845.18547
+  dps: 12025.05112
+  tps: 7845.1532
   hps: 333.69976
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-LastWord-50179"
  value: {
-  dps: 12134.70888
-  tps: 7950.21977
+  dps: 12135.19759
+  tps: 7950.18776
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-LastWord-50708"
  value: {
-  dps: 12134.70888
-  tps: 7950.21977
+  dps: 12135.19759
+  tps: 7950.18776
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Lavanthor'sTalisman-37872"
  value: {
-  dps: 11438.26683
-  tps: 7562.43702
+  dps: 11438.47118
+  tps: 7562.25233
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-MajesticDragonFigurine-40430"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-MeteoriteWhetstone-37390"
  value: {
-  dps: 11796.12822
-  tps: 7767.16733
+  dps: 11796.50596
+  tps: 7767.3875
   hps: 318.90115
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-NevermeltingIceCrystal-50259"
  value: {
-  dps: 11572.37398
-  tps: 7700.83712
+  dps: 11572.08246
+  tps: 7700.14357
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-OfferingofSacrifice-37638"
  value: {
-  dps: 11438.26683
-  tps: 7562.43702
+  dps: 11438.47118
+  tps: 7562.25233
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-PersistentEarthshatterDiamond"
  value: {
-  dps: 12017.44734
-  tps: 7839.47444
+  dps: 12017.90889
+  tps: 7839.44222
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-PersistentEarthsiegeDiamond"
  value: {
-  dps: 12024.58925
-  tps: 7845.18547
+  dps: 12025.05112
+  tps: 7845.1532
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-PetrifiedScarab-21685"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-PetrifiedTwilightScale-54571"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-PetrifiedTwilightScale-54591"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-PowerfulEarthshatterDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7815.20256
+  dps: 11987.5544
+  tps: 7815.17056
   hps: 320.81685
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-PowerfulEarthsiegeDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7815.20256
+  dps: 11987.5544
+  tps: 7815.17056
   hps: 321.64781
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-PurifiedShardoftheGods"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-ReignoftheDead-47316"
  value: {
-  dps: 11525.53508
-  tps: 7642.37822
+  dps: 11525.49873
+  tps: 7641.9538
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-ReignoftheDead-47477"
  value: {
-  dps: 11535.80251
-  tps: 7651.01179
+  dps: 11535.76616
+  tps: 7650.58738
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-RelentlessEarthsiegeDiamond"
  value: {
-  dps: 12134.70888
-  tps: 7950.21977
+  dps: 12135.19759
+  tps: 7950.18776
   hps: 317.21607
  }
 }
@@ -662,16 +662,16 @@ dps_results: {
 dps_results: {
  key: "TestUnholy-AllItems-RevitalizingSkyflareDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7815.20256
+  dps: 11987.5544
+  tps: 7815.17056
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-RuneofRepulsion-40372"
  value: {
-  dps: 11438.26683
-  tps: 7562.43702
+  dps: 11438.47118
+  tps: 7562.25233
   hps: 315.53099
  }
 }
@@ -686,56 +686,56 @@ dps_results: {
 dps_results: {
  key: "TestUnholy-AllItems-ScourgeborneBattlegear"
  value: {
-  dps: 9524.8041
-  tps: 6154.81315
+  dps: 9524.88146
+  tps: 6154.85345
   hps: 276.15832
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-ScourgebornePlate"
  value: {
-  dps: 8755.58403
-  tps: 5594.29074
+  dps: 8755.47565
+  tps: 5594.01923
   hps: 285.71002
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Scourgelord'sBattlegear"
  value: {
-  dps: 11176.76821
-  tps: 7488.5116
+  dps: 11176.77083
+  tps: 7488.65535
   hps: 337.25075
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Scourgelord'sPlate"
  value: {
-  dps: 9848.12263
-  tps: 6488.55742
+  dps: 9847.94922
+  tps: 6488.27998
   hps: 361.94891
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-SealofthePantheon-36993"
  value: {
-  dps: 11438.26683
-  tps: 7562.43702
+  dps: 11438.47118
+  tps: 7562.25233
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Shadowmourne-49623"
  value: {
-  dps: 12134.70888
-  tps: 7950.21977
+  dps: 12135.19759
+  tps: 7950.18776
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-ShinyShardoftheGods"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
@@ -790,224 +790,224 @@ dps_results: {
 dps_results: {
  key: "TestUnholy-AllItems-Sindragosa'sFlawlessFang-50361"
  value: {
-  dps: 11438.30511
-  tps: 7562.49521
+  dps: 11438.50946
+  tps: 7562.31052
   hps: 346.93938
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-SliverofPureIce-50339"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-SliverofPureIce-50346"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-SoulPreserver-37111"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-SouloftheDead-40382"
  value: {
-  dps: 11581.88029
-  tps: 7692.16351
+  dps: 11581.80134
+  tps: 7691.73707
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-SparkofLife-37657"
  value: {
-  dps: 11618.09561
-  tps: 7647.35321
+  dps: 11617.90322
+  tps: 7646.97001
   hps: 315.10972
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-SphereofRedDragon'sBlood-37166"
  value: {
-  dps: 11685.36065
-  tps: 7716.9763
+  dps: 11685.70493
+  tps: 7717.06189
   hps: 321.42877
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-StormshroudArmor"
  value: {
-  dps: 8363.8414
-  tps: 5421.47864
+  dps: 8363.919
+  tps: 5421.57083
   hps: 225.74565
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-SwiftSkyflareDiamond"
  value: {
-  dps: 12024.58925
-  tps: 7845.18547
+  dps: 12025.05112
+  tps: 7845.1532
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-SwiftStarflareDiamond"
  value: {
-  dps: 12017.44734
-  tps: 7839.47444
+  dps: 12017.90889
+  tps: 7839.44222
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-SwiftWindfireDiamond"
  value: {
-  dps: 12004.94901
-  tps: 7829.48014
+  dps: 12005.40998
+  tps: 7829.44801
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-TalismanofTrollDivinity-37734"
  value: {
-  dps: 11438.26683
-  tps: 7562.43702
+  dps: 11438.47118
+  tps: 7562.25233
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-TearsoftheVanquished-47215"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Thassarian'sBattlegear"
  value: {
-  dps: 10110.59709
-  tps: 6583.32206
+  dps: 10110.43124
+  tps: 6583.43523
   hps: 286.28871
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Thassarian'sPlate"
  value: {
-  dps: 8862.28937
-  tps: 5650.37019
+  dps: 8862.34756
+  tps: 5650.2624
   hps: 301.08702
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-TheGeneral'sHeart-45507"
  value: {
-  dps: 11438.28255
-  tps: 7562.46093
+  dps: 11438.48691
+  tps: 7562.27623
   hps: 315.53099
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-TheTwinBladesofAzzinoth"
  value: {
-  dps: 10596.77085
-  tps: 6872.60709
+  dps: 10596.77508
+  tps: 6872.29966
   hps: 304.79181
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-ThunderingSkyflareDiamond"
  value: {
-  dps: 12061.68587
-  tps: 7855.67751
+  dps: 12061.62753
+  tps: 7855.52655
   hps: 318.47988
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-TinyAbominationinaJar-50351"
  value: {
-  dps: 11715.09457
-  tps: 7780.74882
+  dps: 11715.56241
+  tps: 7780.88002
   hps: 321.0075
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-TinyAbominationinaJar-50706"
  value: {
-  dps: 11733.55333
-  tps: 7803.46948
+  dps: 11733.7699
+  tps: 7803.58013
   hps: 316.37353
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-TirelessSkyflareDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7815.20256
+  dps: 11987.5544
+  tps: 7815.17056
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-TirelessStarflareDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7815.20256
+  dps: 11987.5544
+  tps: 7815.17056
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-TomeofArcanePhenomena-36972"
  value: {
-  dps: 11553.09227
-  tps: 7569.07153
+  dps: 11553.2202
+  tps: 7568.84609
   hps: 316.37353
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-TrenchantEarthshatterDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7815.20256
+  dps: 11987.5544
+  tps: 7815.17056
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-TrenchantEarthsiegeDiamond"
  value: {
-  dps: 11987.09424
-  tps: 7815.20256
+  dps: 11987.5544
+  tps: 7815.17056
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-UndeadSlayer'sBlessedArmor"
  value: {
-  dps: 8811.94313
-  tps: 5716.42694
+  dps: 8811.89514
+  tps: 5716.31537
   hps: 251.2904
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-Val'anyr,HammerofAncientKings-46017"
  value: {
-  dps: 11395.03509
-  tps: 7402.17848
+  dps: 11394.89688
+  tps: 7402.08667
   hps: 322.54958
  }
 }
 dps_results: {
  key: "TestUnholy-AllItems-WingedTalisman-37844"
  value: {
-  dps: 11438.26683
-  tps: 7562.43702
+  dps: 11438.47118
+  tps: 7562.25233
   hps: 315.53099
  }
 }
@@ -1022,56 +1022,56 @@ dps_results: {
 dps_results: {
  key: "TestUnholy-Average-Default"
  value: {
-  dps: 12080.22153
-  tps: 7959.84181
+  dps: 12080.15755
+  tps: 7959.80277
   hps: 319.17663
  }
 }
 dps_results: {
  key: "TestUnholy-Settings-Human-Unholy P3 -Basic--FullBuffs-LongMultiTarget"
  value: {
-  dps: 58290.35239
-  tps: 61053.6133
+  dps: 58289.40143
+  tps: 61052.68007
   hps: 320.02518
  }
 }
 dps_results: {
  key: "TestUnholy-Settings-Human-Unholy P3 -Basic--FullBuffs-LongSingleTarget"
  value: {
-  dps: 11917.40726
-  tps: 7935.7238
+  dps: 11917.8928
+  tps: 7935.64076
   hps: 320.44626
  }
 }
 dps_results: {
  key: "TestUnholy-Settings-Human-Unholy P3 -Basic--FullBuffs-ShortSingleTarget"
  value: {
-  dps: 16864.94618
-  tps: 8820.5795
+  dps: 16867.44038
+  tps: 8820.07393
   hps: 216.85917
  }
 }
 dps_results: {
  key: "TestUnholy-Settings-Human-Unholy P3 -Basic--NoBuffs-LongMultiTarget"
  value: {
-  dps: 35191.14924
-  tps: 37745.91048
+  dps: 35192.7445
+  tps: 37747.41149
   hps: 207.00864
  }
 }
 dps_results: {
  key: "TestUnholy-Settings-Human-Unholy P3 -Basic--NoBuffs-LongSingleTarget"
  value: {
-  dps: 6073.59102
-  tps: 4427.01416
+  dps: 6073.28917
+  tps: 4426.31004
   hps: 206.73152
  }
 }
 dps_results: {
  key: "TestUnholy-Settings-Human-Unholy P3 -Basic--NoBuffs-ShortSingleTarget"
  value: {
-  dps: 7579.80252
-  tps: 4496.67664
+  dps: 7578.67773
+  tps: 4493.17081
   hps: 159.344
  }
 }
@@ -1126,8 +1126,8 @@ dps_results: {
 dps_results: {
  key: "TestUnholy-Settings-Human-Unholy P3 -Basic-uh_dnd_aoe-FullBuffs-LongMultiTarget"
  value: {
-  dps: 58907.41878
-  tps: 60994.4634
+  dps: 58908.71496
+  tps: 60996.09128
   hps: 235.80803
  }
 }
@@ -1222,48 +1222,48 @@ dps_results: {
 dps_results: {
  key: "TestUnholy-Settings-Orc-Unholy P3 -Basic--FullBuffs-LongMultiTarget"
  value: {
-  dps: 58794.76494
-  tps: 61398.71191
+  dps: 58795.89675
+  tps: 61400.18708
   hps: 321.42877
  }
 }
 dps_results: {
  key: "TestUnholy-Settings-Orc-Unholy P3 -Basic--FullBuffs-LongSingleTarget"
  value: {
-  dps: 12134.70888
-  tps: 7950.21977
+  dps: 12135.19759
+  tps: 7950.18776
   hps: 317.21607
  }
 }
 dps_results: {
  key: "TestUnholy-Settings-Orc-Unholy P3 -Basic--FullBuffs-ShortSingleTarget"
  value: {
-  dps: 17289.52823
-  tps: 8874.00041
+  dps: 17291.49508
+  tps: 8873.44022
   hps: 216.95389
  }
 }
 dps_results: {
  key: "TestUnholy-Settings-Orc-Unholy P3 -Basic--NoBuffs-LongMultiTarget"
  value: {
-  dps: 35562.22903
-  tps: 38143.42638
+  dps: 35563.85
+  tps: 38144.57064
   hps: 206.56764
  }
 }
 dps_results: {
  key: "TestUnholy-Settings-Orc-Unholy P3 -Basic--NoBuffs-LongSingleTarget"
  value: {
-  dps: 6176.61072
-  tps: 4439.85742
+  dps: 6176.27952
+  tps: 4439.18077
   hps: 209.06309
  }
 }
 dps_results: {
  key: "TestUnholy-Settings-Orc-Unholy P3 -Basic--NoBuffs-ShortSingleTarget"
  value: {
-  dps: 7797.10312
-  tps: 4536.25664
+  dps: 7795.80165
+  tps: 4532.50068
   hps: 159.4314
  }
 }
@@ -1318,8 +1318,8 @@ dps_results: {
 dps_results: {
  key: "TestUnholy-Settings-Orc-Unholy P3 -Basic-uh_dnd_aoe-FullBuffs-LongMultiTarget"
  value: {
-  dps: 59343.37616
-  tps: 61308.5245
+  dps: 59350.47187
+  tps: 61313.3856
   hps: 235.91102
  }
 }
@@ -1414,8 +1414,8 @@ dps_results: {
 dps_results: {
  key: "TestUnholy-SwitchInFrontOfTarget-Default"
  value: {
-  dps: 11559.47339
-  tps: 7600.23481
+  dps: 11560.14955
+  tps: 7600.46486
   hps: 313.84591
  }
 }
diff --git a/sim/deathknight/horn_of_winter.go b/sim/deathknight/horn_of_winter.go
index c0dc19983d..5ede9be2fe 100644
--- a/sim/deathknight/horn_of_winter.go
+++ b/sim/deathknight/horn_of_winter.go
@@ -14,7 +14,7 @@ func (dk *Deathknight) registerHornOfWinterSpell() {
 	rpMetrics := dk.NewRunicPowerMetrics(actionID)
 
 	bonusStats := stats.Stats{stats.Strength: 155.0, stats.Agility: 155.0}
-	negativeStats := bonusStats.Multiply(-1)
+	negativeStats := bonusStats.Invert()
 
 	dk.HornOfWinterAura = dk.RegisterAura(core.Aura{
 		Label:    "Horn of Winter",
diff --git a/sim/druid/force_of_nature.go b/sim/druid/force_of_nature.go
index bdf0ecda84..bd6c131322 100644
--- a/sim/druid/force_of_nature.go
+++ b/sim/druid/force_of_nature.go
@@ -99,7 +99,7 @@ func (treant *TreantPet) enable(sim *core.Simulation) {
 }
 
 func (treant *TreantPet) disable(sim *core.Simulation) {
-	treant.AddStatsDynamic(sim, treant.snapshotStat.Multiply(-1))
+	treant.AddStatsDynamic(sim, treant.snapshotStat.Invert())
 }
 
 func (treant *TreantPet) Initialize() {
diff --git a/sim/druid/forms.go b/sim/druid/forms.go
index e4b28ce445..04ab3c27cf 100644
--- a/sim/druid/forms.go
+++ b/sim/druid/forms.go
@@ -175,8 +175,8 @@ func (druid *Druid) registerCatFormSpell() {
 			druid.PseudoStats.SpiritRegenMultiplier /= AnimalSpiritRegenSuppression
 			druid.PseudoStats.BaseDodge -= 0.02 * float64(druid.Talents.FeralSwiftness)
 
-			druid.AddStatsDynamic(sim, predBonus.Multiply(-1))
-			druid.AddStatsDynamic(sim, statBonus.Multiply(-1))
+			druid.AddStatsDynamic(sim, predBonus.Invert())
+			druid.AddStatsDynamic(sim, statBonus.Invert())
 			druid.DisableDynamicStatDep(sim, agiApDep)
 			if hotwDep != nil {
 				druid.DisableDynamicStatDep(sim, hotwDep)
@@ -313,8 +313,8 @@ func (druid *Druid) registerBearFormSpell() {
 			druid.PseudoStats.SpiritRegenMultiplier /= AnimalSpiritRegenSuppression
 			druid.PseudoStats.BaseDodge -= 0.02 * float64(druid.Talents.FeralSwiftness+druid.Talents.NaturalReaction)
 
-			druid.AddStatsDynamic(sim, predBonus.Multiply(-1))
-			druid.AddStatsDynamic(sim, statBonus.Multiply(-1))
+			druid.AddStatsDynamic(sim, predBonus.Invert())
+			druid.AddStatsDynamic(sim, statBonus.Invert())
 			druid.RemoveDynamicEquipScaling(sim, stats.Armor, druid.BearArmorMultiplier())
 			if potpDep != nil {
 				druid.DisableDynamicStatDep(sim, potpDep)
diff --git a/sim/hunter/TestSV.results b/sim/hunter/TestSV.results
index 317d188eac..6c8dc8f448 100644
--- a/sim/hunter/TestSV.results
+++ b/sim/hunter/TestSV.results
@@ -139,8 +139,8 @@ dps_results: {
 dps_results: {
  key: "TestSV-AllItems-BlessedGarboftheUndeadSlayer"
  value: {
-  dps: 6190.47799
-  tps: 5332.40349
+  dps: 6190.49223
+  tps: 5332.41384
  }
 }
 dps_results: {
@@ -645,7 +645,7 @@ dps_results: {
 dps_results: {
  key: "TestSV-AllItems-ScourgestalkerBattlegear"
  value: {
-  dps: 7332.71535
+  dps: 7332.76102
   tps: 6334.02364
  }
 }
@@ -722,8 +722,8 @@ dps_results: {
 dps_results: {
  key: "TestSV-AllItems-StormshroudArmor"
  value: {
-  dps: 5749.1606
-  tps: 4917.55842
+  dps: 5749.16653
+  tps: 4917.56435
  }
 }
 dps_results: {
@@ -785,7 +785,7 @@ dps_results: {
 dps_results: {
  key: "TestSV-AllItems-ThunderingSkyflareDiamond"
  value: {
-  dps: 7462.62688
+  dps: 7462.64882
   tps: 6411.87337
  }
 }
@@ -883,8 +883,8 @@ dps_results: {
 dps_results: {
  key: "TestSV-Average-Default"
  value: {
-  dps: 7613.42893
-  tps: 6565.95875
+  dps: 7613.429
+  tps: 6565.95867
  }
 }
 dps_results: {
@@ -960,7 +960,7 @@ dps_results: {
 dps_results: {
  key: "TestSV-Settings-Dwarf-P1-Basic-sv-NoBuffs-LongSingleTarget"
  value: {
-  dps: 3827.28433
+  dps: 3827.28691
   tps: 3506.67975
  }
 }
@@ -1086,7 +1086,7 @@ dps_results: {
 dps_results: {
  key: "TestSV-Settings-Orc-P1-Basic-sv-NoBuffs-LongSingleTarget"
  value: {
-  dps: 3842.06248
+  dps: 3842.06655
   tps: 3499.66519
  }
 }
diff --git a/sim/hunter/wotlk_items.go b/sim/hunter/wotlk_items.go
index ddb6546933..7964849a95 100644
--- a/sim/hunter/wotlk_items.go
+++ b/sim/hunter/wotlk_items.go
@@ -183,7 +183,7 @@ var ItemSetAhnKaharBloodHuntersBattlegear = core.NewItemSet(core.ItemSet{
 					aura.Unit.AddStatsDynamic(sim, curBonus)
 				},
 				OnExpire: func(aura *core.Aura, sim *core.Simulation) {
-					aura.Unit.AddStatsDynamic(sim, curBonus.Multiply(-1))
+					aura.Unit.AddStatsDynamic(sim, curBonus.Invert())
 				},
 			})
 
diff --git a/sim/rogue/TestAssassination.results b/sim/rogue/TestAssassination.results
index d9ee887fb0..4bd28d0c4b 100644
--- a/sim/rogue/TestAssassination.results
+++ b/sim/rogue/TestAssassination.results
@@ -13,7 +13,7 @@ character_stats_results: {
   final_stats: 221
   final_stats: 0
   final_stats: 5504.84
-  final_stats: 469.94994
+  final_stats: 469.94995
   final_stats: 2072.9756
   final_stats: 221
   final_stats: 94
diff --git a/sim/rogue/TestCombat.results b/sim/rogue/TestCombat.results
index cab909133a..820a67c7c9 100644
--- a/sim/rogue/TestCombat.results
+++ b/sim/rogue/TestCombat.results
@@ -13,7 +13,7 @@ character_stats_results: {
   final_stats: 221
   final_stats: 0
   final_stats: 5725.0336
-  final_stats: 469.94994
+  final_stats: 469.94995
   final_stats: 2164.78757
   final_stats: 221
   final_stats: 94
diff --git a/sim/warlock/warlock.go b/sim/warlock/warlock.go
index feac522c25..dba2735902 100644
--- a/sim/warlock/warlock.go
+++ b/sim/warlock/warlock.go
@@ -180,7 +180,7 @@ func (warlock *Warlock) Initialize() {
 			})
 		}
 		if warlock.ItemSwap.IsEnabled() {
-			warlock.AddStats(correction.Multiply(-1))
+			warlock.AddStats(correction.Invert())
 			warlock.MultiplyCastSpeed(1.0)
 		}
 	})
diff --git a/sim/warrior/dps/TestArms.results b/sim/warrior/dps/TestArms.results
index a2631f86c5..9f8609bdef 100644
--- a/sim/warrior/dps/TestArms.results
+++ b/sim/warrior/dps/TestArms.results
@@ -883,8 +883,8 @@ dps_results: {
 dps_results: {
  key: "TestArms-Average-Default"
  value: {
-  dps: 8268.01597
-  tps: 6799.55785
+  dps: 8268.01631
+  tps: 6799.55814
  }
 }
 dps_results: {