diff --git a/sim/mage/TestFire.results b/sim/mage/TestFire.results
index 4c6578e87d..9a1d3ffade 100644
--- a/sim/mage/TestFire.results
+++ b/sim/mage/TestFire.results
@@ -770,43 +770,43 @@ dps_results: {
 dps_results: {
  key: "TestFire-Settings-Troll-P1Fire-Fire-AOE-FullBuffs-LongMultiTarget"
  value: {
-  dps: 42416.39983
-  tps: 39729.68683
+  dps: 42304.64393
+  tps: 39629.66856
  }
 }
 dps_results: {
  key: "TestFire-Settings-Troll-P1Fire-Fire-AOE-FullBuffs-LongSingleTarget"
  value: {
-  dps: 2577.32039
-  tps: 2014.10626
+  dps: 2559.98392
+  tps: 1998.67226
  }
 }
 dps_results: {
  key: "TestFire-Settings-Troll-P1Fire-Fire-AOE-FullBuffs-ShortSingleTarget"
  value: {
-  dps: 3869.13982
-  tps: 2902.37696
+  dps: 3829.65787
+  tps: 2867.27969
  }
 }
 dps_results: {
  key: "TestFire-Settings-Troll-P1Fire-Fire-AOE-NoBuffs-LongMultiTarget"
  value: {
-  dps: 22690.85888
-  tps: 22825.29888
+  dps: 22660.76278
+  tps: 22798.32887
  }
 }
 dps_results: {
  key: "TestFire-Settings-Troll-P1Fire-Fire-AOE-NoBuffs-LongSingleTarget"
  value: {
-  dps: 1228.0223
-  tps: 985.44411
+  dps: 1220.0746
+  tps: 978.35309
  }
 }
 dps_results: {
  key: "TestFire-Settings-Troll-P1Fire-Fire-AOE-NoBuffs-ShortSingleTarget"
  value: {
-  dps: 2206.59777
-  tps: 1737.79695
+  dps: 2185.96357
+  tps: 1719.38981
  }
 }
 dps_results: {
diff --git a/sim/mage/flamestrike.go b/sim/mage/flamestrike.go
index a945ecbf48..81e0022f40 100644
--- a/sim/mage/flamestrike.go
+++ b/sim/mage/flamestrike.go
@@ -11,6 +11,7 @@ func (mage *Mage) registerFlamestrikeSpell(rank8 bool) *core.Spell {
 	dotDamage := 780.0 / 4
 	minDamage := 876.0
 	maxDamage := 1071.0
+	spCoeffMultiplier := 1.0
 	label := "Flamestrike (Rank 9)"
 	if rank8 {
 		actionID = core.ActionID{SpellID: 42925}.WithTag(8)
@@ -18,6 +19,9 @@ func (mage *Mage) registerFlamestrikeSpell(rank8 bool) *core.Spell {
 		minDamage = 699.0
 		maxDamage = 854.0
 		label = "Flamestrike (Rank 8)"
+		// Flamestrike (Rank 8) has a 90% SP coefficient penalty
+		// https://wowpedia.fandom.com/wiki/Downranking#Wrath_of_the_Lich_King
+		spCoeffMultiplier = 0.9
 	}
 
 	return mage.RegisterSpell(core.SpellConfig{
@@ -52,7 +56,7 @@ func (mage *Mage) registerFlamestrikeSpell(rank8 bool) *core.Spell {
 			TickLength:    time.Second * 2,
 			OnSnapshot: func(sim *core.Simulation, _ *core.Unit, dot *core.Dot, _ bool) {
 				target := mage.CurrentTarget
-				dot.SnapshotBaseDamage = dotDamage + 0.122*dot.Spell.SpellPower()
+				dot.SnapshotBaseDamage = dotDamage + 0.122*dot.Spell.SpellPower()*spCoeffMultiplier
 				dot.SnapshotAttackerMultiplier = dot.Spell.AttackerDamageMultiplier(dot.Spell.Unit.AttackTables[target.UnitIndex])
 			},
 			OnTick: func(sim *core.Simulation, target *core.Unit, dot *core.Dot) {
@@ -63,7 +67,7 @@ func (mage *Mage) registerFlamestrikeSpell(rank8 bool) *core.Spell {
 		},
 
 		ApplyEffects: func(sim *core.Simulation, target *core.Unit, spell *core.Spell) {
-			dmgFromSP := 0.243 * spell.SpellPower()
+			dmgFromSP := 0.243 * spell.SpellPower() * spCoeffMultiplier
 			for _, aoeTarget := range sim.Encounter.TargetUnits {
 				baseDamage := sim.Roll(minDamage, maxDamage) + dmgFromSP
 				baseDamage *= sim.Encounter.AOECapMultiplier()