diff --git a/core/src/com/unciv/models/ruleset/unique/UniqueTriggerActivation.kt b/core/src/com/unciv/models/ruleset/unique/UniqueTriggerActivation.kt
index 0c99878533..feb9843d95 100644
--- a/core/src/com/unciv/models/ruleset/unique/UniqueTriggerActivation.kt
+++ b/core/src/com/unciv/models/ruleset/unique/UniqueTriggerActivation.kt
@@ -3,6 +3,7 @@ package com.unciv.models.ruleset.unique
 import com.badlogic.gdx.math.Vector2
 import com.unciv.Constants
 import com.unciv.UncivGame
+import com.unciv.logic.battle.MapUnitCombatant
 import com.unciv.logic.city.City
 import com.unciv.logic.civilization.CivFlags
 import com.unciv.logic.civilization.Civilization
@@ -770,6 +771,12 @@ object UniqueTriggerActivation {
                     unit.civ.addNotification(notification, unit.getTile().position, NotificationCategory.Units) // Do we have a heal icon?
                 return true
             }
+            UniqueType.OneTimeUnitDamage -> {
+                MapUnitCombatant(unit).takeDamage(unique.params[0].toInt())
+                if (notification != null)
+                    unit.civ.addNotification(notification, unit.getTile().position, NotificationCategory.Units) // Do we have a heal icon?
+                return true
+            }
             UniqueType.OneTimeUnitGainXP -> {
                 if (!unit.baseUnit.isMilitary()) return false
                 unit.promotions.XP += unique.params[0].toInt()
diff --git a/core/src/com/unciv/models/ruleset/unique/UniqueType.kt b/core/src/com/unciv/models/ruleset/unique/UniqueType.kt
index 3071bb8e0c..1e83607ecf 100644
--- a/core/src/com/unciv/models/ruleset/unique/UniqueType.kt
+++ b/core/src/com/unciv/models/ruleset/unique/UniqueType.kt
@@ -728,7 +728,8 @@ enum class UniqueType(
     OneTimeGlobalAlert("Triggers the following global alert: [comment]", UniqueTarget.Triggerable), // used in Policy
     OneTimeGlobalSpiesWhenEnteringEra("Every major Civilization gains a spy once a civilization enters this era", UniqueTarget.Era),
 
-    OneTimeUnitHeal("Heal this unit by [amount] HP", UniqueTarget.UnitTriggerable),
+    OneTimeUnitHeal("Heal this unit by [positiveAmount] HP", UniqueTarget.UnitTriggerable),
+    OneTimeUnitDamage("This Unit takes [positiveAmount] damage", UniqueTarget.UnitTriggerable),
     OneTimeUnitGainXP("This Unit gains [amount] XP", UniqueTarget.UnitTriggerable),
     OneTimeUnitUpgrade("This Unit upgrades for free", UniqueTarget.UnitTriggerable),  // Not used in Vanilla
     OneTimeUnitSpecialUpgrade("This Unit upgrades for free including special upgrades", UniqueTarget.UnitTriggerable),