diff --git a/mods/ra/maps/bomber-john/rules.yaml b/mods/ra/maps/bomber-john/rules.yaml
index dd1f3b6566..2d92b36338 100644
--- a/mods/ra/maps/bomber-john/rules.yaml
+++ b/mods/ra/maps/bomber-john/rules.yaml
@@ -119,7 +119,7 @@ FTUR:
 		BeginChargeSound: chrochr1.aud
 		EndChargeSound: chrordy1.aud
 		Range: 3
-	GrantUpgradePower@IRONCURTAIN:
+	GrantExternalConditionPower@IRONCURTAIN:
 		Icon: invuln
 		ChargeTime: 30
 		Description: Invulnerability
@@ -129,8 +129,9 @@ FTUR:
 		BeginChargeSound: ironchg1.aud
 		EndChargeSound: ironrdy1.aud
 		Range: 1
-		Upgrades: invulnerability
-		GrantUpgradeSequence: idle
+		Condition: invulnerability
+		Sequence: idle
+		OnFireSound: ironcur9.aud
 	Power:
 		Amount: 0
 
@@ -186,7 +187,7 @@ T17:
 		Duration: 999999
 		KillCargo: yes
 		Range: 3
-	GrantUpgradePower@IRONCURTAIN:
+	GrantExternalConditionPower@IRONCURTAIN:
 		Icon: invuln
 		ChargeTime: 30
 		Description: Invulnerability
@@ -196,5 +197,6 @@ T17:
 		BeginChargeSound: ironchg1.aud
 		EndChargeSound: ironrdy1.aud
 		Range: 1
-		Upgrades: invulnerability
-		GrantUpgradeSequence: idle
+		Condition: invulnerability
+		Sequence: idle
+		OnFireSound: ironcur9.aud
diff --git a/mods/ra/maps/fort-lonestar/rules.yaml b/mods/ra/maps/fort-lonestar/rules.yaml
index 22def065b8..3ac6f9f0f0 100644
--- a/mods/ra/maps/fort-lonestar/rules.yaml
+++ b/mods/ra/maps/fort-lonestar/rules.yaml
@@ -69,11 +69,11 @@ FORTCRATE:
 	GiveUnitCrateAction@e7:
 		Units: e7
 		SelectionShares: 10
-	GrantUpgradeCrateAction@ironcurtain:
+	GrantExternalConditionCrateAction@ironcurtain:
 		SelectionShares: 10
 		Effect: invuln
 		Notification: ironcur9.aud
-		Upgrades: invulnerability
+		Condition: invulnerability
 		Duration: 1200
 	ExplodeCrateAction@bigboom:
 		Weapon: SCUD
diff --git a/mods/ra/rules/defaults.yaml b/mods/ra/rules/defaults.yaml
index d7ad8b18c0..f6347c96af 100644
--- a/mods/ra/rules/defaults.yaml
+++ b/mods/ra/rules/defaults.yaml
@@ -15,7 +15,7 @@
 
 ^GainsExperience:
 	GainsExperience:
-		Upgrades:		
+		Upgrades:
 			200: rank-veteran-1
 			400: rank-veteran-2
 			800: rank-veteran-3
@@ -121,8 +121,10 @@
 	DamageMultiplier@IRONCURTAIN:
 		RequiresCondition: invulnerability
 		Modifier: 0
-	TimedUpgradeBar:
-		Upgrade: invulnerability
+	TimedConditionBar:
+		Condition: invulnerability
+	ExternalConditions@INVULNERABILITY:
+		Conditions: invulnerability
 
 ^Vehicle:
 	Inherits@1: ^ExistsInWorld
diff --git a/mods/ra/rules/misc.yaml b/mods/ra/rules/misc.yaml
index d0e626927c..6054918c4c 100644
--- a/mods/ra/rules/misc.yaml
+++ b/mods/ra/rules/misc.yaml
@@ -90,11 +90,11 @@ CRATE:
 		Units: e1,e1,e4,e4,e3,e3,e3
 		ValidFactions: soviet, russia, ukraine
 		TimeDelay: 4500
-	GrantUpgradeCrateAction@invuln:
+	GrantExternalConditionCrateAction@invuln:
 		SelectionShares: 5
 		Effect: invuln
 		Notification: ironcur9.aud
-		Upgrades: invulnerability
+		Condition: invulnerability
 		Duration: 600
 
 MONEYCRATE:
diff --git a/mods/ra/rules/structures.yaml b/mods/ra/rules/structures.yaml
index 58730edadc..d485a486c2 100644
--- a/mods/ra/rules/structures.yaml
+++ b/mods/ra/rules/structures.yaml
@@ -303,7 +303,7 @@ IRON:
 		Range: 10c0
 	Bib:
 		HasMinibib: Yes
-	GrantUpgradePower@IRONCURTAIN:
+	GrantExternalConditionPower@IRONCURTAIN:
 		Icon: invuln
 		ChargeTime: 120
 		Description: Invulnerability
@@ -314,7 +314,8 @@ IRON:
 		BeginChargeSpeechNotification: IronCurtainCharging
 		EndChargeSpeechNotification: IronCurtainReady
 		DisplayRadarPing: True
-		Upgrades: invulnerability
+		Condition: invulnerability
+		OnFireSound: ironcur9.aud
 	SupportPowerChargeBar:
 	Power:
 		Amount: -200