diff --git a/sim/druid/balance/TestBalance.results b/sim/druid/balance/TestBalance.results
index 8b35cef2e4..9696fc070c 100644
--- a/sim/druid/balance/TestBalance.results
+++ b/sim/druid/balance/TestBalance.results
@@ -438,8 +438,8 @@ dps_results: {
 dps_results: {
  key: "TestBalance-AllItems-DeepEarthRegalia"
  value: {
-  dps: 25846.28255
-  tps: 25879.30174
+  dps: 26458.40445
+  tps: 26491.42363
  }
 }
 dps_results: {
diff --git a/sim/druid/items.go b/sim/druid/items.go
index f27914ca98..844c0b131c 100644
--- a/sim/druid/items.go
+++ b/sim/druid/items.go
@@ -226,13 +226,54 @@ var ItemSetDeepEarthRegalia = core.NewItemSet(core.ItemSet{
 	Name: "Deep Earth Regalia",
 	Bonuses: map[int32]core.ApplySetBonus{
 		// Insect Swarm increases all damage done by your Starfire, Starsurge, and Wrath spells against that target by 3%
-		2: func(_ core.Agent, _ *core.Aura) {
+		2: func(agent core.Agent, setBonusAura *core.Aura) {
+			druid := agent.(DruidAgent).GetDruid()
+
+			t13InsectSwarmBonus := func(_ *core.Simulation, spell *core.Spell, _ *core.AttackTable) float64 {
+				if spell.Matches(DruidSpellStarsurge | DruidSpellStarfire | DruidSpellWrath) {
+					return 1.03
+				}
+
+				return 1.0
+			}
+
+			t13InsectSwarmBonusDummyAuras := druid.NewEnemyAuraArray(func(target *core.Unit) *core.Aura {
+				return target.GetOrRegisterAura(core.Aura{
+					ActionID: core.ActionID{SpellID: 105722},
+					Label:    "Item - Druid T13 Balance 2P Bonus (Insect Swarm) - " + druid.Label,
+					Duration: core.NeverExpires,
+					OnGain: func(aura *core.Aura, sim *core.Simulation) {
+						druid.AttackTables[aura.Unit.UnitIndex].DamageDoneByCasterMultiplier = t13InsectSwarmBonus
+					},
+					OnExpire: func(aura *core.Aura, sim *core.Simulation) {
+						druid.AttackTables[aura.Unit.UnitIndex].DamageDoneByCasterMultiplier = nil
+					},
+				})
+			})
+
+			druid.OnSpellRegistered(func(spell *core.Spell) {
+				if !spell.Matches(DruidSpellInsectSwarm) {
+					return
+				}
+
+				for _, target := range druid.Env.Encounter.TargetUnits {
+					spell.Dot(target).ApplyOnGain(func(aura *core.Aura, sim *core.Simulation) {
+						if setBonusAura.IsActive() {
+							t13InsectSwarmBonusDummyAuras.Get(aura.Unit).Activate(sim)
+						}
+					})
+
+					spell.Dot(target).ApplyOnExpire(func(aura *core.Aura, sim *core.Simulation) {
+						t13InsectSwarmBonusDummyAuras.Get(aura.Unit).Deactivate(sim)
+					})
+				}
+			})
 		},
 		// Reduces the cooldown of Starsurge by 5 sec and increases its damage by 10%
 		4: func(_ core.Agent, setBonusAura *core.Aura) {
 			setBonusAura.AttachSpellMod(core.SpellModConfig{
 				Kind:       core.SpellMod_DamageDone_Pct,
-				FloatValue: 0.05,
+				FloatValue: 0.1,
 				ClassMask:  DruidSpellStarsurge,
 			})
 
diff --git a/ui/druid/balance/gear_sets/t13.gear.json b/ui/druid/balance/gear_sets/t13.gear.json
index c2c3b780e3..e4bda1581d 100644
--- a/ui/druid/balance/gear_sets/t13.gear.json
+++ b/ui/druid/balance/gear_sets/t13.gear.json
@@ -1,21 +1,21 @@
 {
 	"items": [
-		{"id":78696,"enchant":4207,"gems":[68780,71881],"reforging":119},
+        {"id":78696,"enchant":4207,"gems":[68780,71881],"reforging":119},
         {"id":78364,"reforging":119},
-        {"id":78744,"enchant":4200,"gems":[71881,71881],"reforging":145},
-        {"id":77096,"enchant":4115,"gems":[0],"reforging":119},
+        {"id":78740,"enchant":4200,"gems":[71881,71881],"reforging":167},
+        {"id":77098,"enchant":4115,"gems":[71881],"reforging":138},
         {"id":78662,"enchant":4102,"gems":[71881,71881,71850],"reforging":117},
         {"id":78372,"enchant":4257,"gems":[71881,0],"reforging":117},
         {"id":78676,"enchant":4068,"gems":[71881,0]},
         {"id":78420,"gems":[71881,71881,71881],"reforging":117},
         {"id":78714,"enchant":4110,"gems":[71881,71881,71881]},
         {"id":78434,"enchant":4104,"gems":[71881,71881],"reforging":145},
-        {"id":78491,"gems":[71881]},
+        {"id":78491,"gems":[71881],"reforging":119},
         {"id":78419,"gems":[71881]},
         {"id":77995},
         {"id":77991},
-        {"id":78363,"enchant":4097,"gems":[71881],"reforging":147},
-        {"id":78433,"enchant":4091,"gems":[71881],"reforging":119},
-        {"id":77082,"gems":[52207],"reforging":147}
+        {"id":71086,"enchant":4097,"gems":[71881,71881,71881],"reforging":140},
+        {},
+        {"id":77082,"gems":[71881],"reforging":147}
       ]
 }
diff --git a/ui/druid/balance/presets.ts b/ui/druid/balance/presets.ts
index 9e15469a69..cac7fbf00f 100644
--- a/ui/druid/balance/presets.ts
+++ b/ui/druid/balance/presets.ts
@@ -26,7 +26,7 @@ import T13Gear from './gear_sets/t13.gear.json';
 export const PreraidPresetGear = PresetUtils.makePresetGear('Pre-raid', PreraidGear);
 export const T11PresetGear = PresetUtils.makePresetGear('T11', T11Gear);
 export const T12PresetGear = PresetUtils.makePresetGear('T12', T12Gear);
-export const T13PresetGear = PresetUtils.makePresetGear('T13 (WIP)', T13Gear);
+export const T13PresetGear = PresetUtils.makePresetGear('T13', T13Gear);
 
 export const T11PresetRotation = PresetUtils.makePresetAPLRotation('T11 4P', T11Apl);
 export const T12PresetRotation = PresetUtils.makePresetAPLRotation('T12', T12Apl);