update totem of thunderous strike

sim/shaman/items.go

@@ -577,19 +577,20 @@ func init() {
 		shaman.RegisterAura(core.Aura{
 			Label: "Improved Stormstrike/Windfury Weapon",
 			OnInit: func(aura *core.Aura, sim *core.Simulation) {
-				affectedSpells := core.FilterSlice(
-					core.Flatten(
-						[][]*core.Spell{
-							{shaman.StormstrikeMH},
-							{shaman.StormstrikeOH},
-							{shaman.WindfuryWeaponMH},
-							{shaman.WindfuryWeaponOH},
-						},
-					),
-					func(spell *core.Spell) bool { return spell != nil },
-				)
+				for _, spell := range []*core.Spell{shaman.StormstrikeMH, shaman.StormstrikeOH} {
+					if spell == nil {
+						continue
+					}
+
+					// In-game testing seems to be only a base points mod for Stormstrike
+					spell.BaseDamageMultiplierAdditive += 0.03
+				}
+
+				for _, spell := range []*core.Spell{shaman.WindfuryWeaponMH, shaman.WindfuryWeaponOH} {
+					if spell == nil {
+						continue
+					}
 
-				for _, spell := range affectedSpells {
 					spell.DamageMultiplierAdditive += 0.03
 				}
 			},