diff --git a/src/simulator/crates/mc-player-api/tests/common/mod.rs b/src/simulator/crates/mc-player-api/tests/common/mod.rs
index 784d0d3a..74cb8e7e 100644
--- a/src/simulator/crates/mc-player-api/tests/common/mod.rs
+++ b/src/simulator/crates/mc-player-api/tests/common/mod.rs
@@ -24,7 +24,7 @@
 use mc_ai::evaluator::ScoringWeights;
 use mc_ai::tactical::state::{TacticalBuildingSpec, TacticalUnitSpec};
 use mc_turn::game_state::{GameState, MapUnit, PlayerState};
-use mc_units::{UnitStats, UnitsCatalog};
+use mc_units::{CombatStats, UnitStats, UnitsCatalog};
 
 /// Mirror of `GdGameState::add_player_militarist` (api-gdext/src/lib.rs).
 ///
@@ -213,6 +213,8 @@ pub fn build_runtime_units_catalog() -> UnitsCatalog {
         ransom_multiplier: 2.0,
         build_cost: 0,
         logistics: None,
+        // Mirrors public/resources/units/dwarf_warrior.json combat line.
+        combat: CombatStats { hp: 60, attack: 12, defense: 1, ..Default::default() },
     });
     cat.insert(UnitStats {
         id: "dwarf_founder".into(),
@@ -223,6 +225,7 @@ pub fn build_runtime_units_catalog() -> UnitsCatalog {
         ransom_multiplier: 2.0,
         build_cost: 80,
         logistics: None,
+        combat: CombatStats::default(),
     });
     cat
 }
diff --git a/src/simulator/crates/mc-turn/tests/capture_caravan.rs b/src/simulator/crates/mc-turn/tests/capture_caravan.rs
index b552d5bb..42ec910f 100644
--- a/src/simulator/crates/mc-turn/tests/capture_caravan.rs
+++ b/src/simulator/crates/mc-turn/tests/capture_caravan.rs
@@ -22,7 +22,7 @@ use mc_replay::TurnEvent;
 use mc_turn::{
     capture::CapturePosture, AttackRequest, GameState, MapUnit, PlayerState, TurnProcessor,
 };
-use mc_units::{UnitStats as CatalogUnitStats, UnitsCatalog};
+use mc_units::{CombatStats, UnitStats as CatalogUnitStats, UnitsCatalog};
 
 const CARAVAN_ID: u32 = 900;
 const MERCHANT_ID: u32 = 901;
@@ -38,6 +38,7 @@ fn build_trade_catalog() -> UnitsCatalog {
         ransom_multiplier: 2.0,
         build_cost: 0,
         logistics: None,
+        combat: CombatStats::default(),
     });
     // merchant.json: tier-1 trade GP — premium ransom multiplier, modest cost.
     cat.insert(CatalogUnitStats {
@@ -49,6 +50,7 @@ fn build_trade_catalog() -> UnitsCatalog {
         ransom_multiplier: 3.0,
         build_cost: 80,
         logistics: None,
+        combat: CombatStats::default(),
     });
     // caravan_master.json: tier-3 — higher cost AND higher multiplier.
     cat.insert(CatalogUnitStats {
@@ -60,6 +62,7 @@ fn build_trade_catalog() -> UnitsCatalog {
         ransom_multiplier: 3.5,
         build_cost: 160,
         logistics: None,
+        combat: CombatStats::default(),
     });
     cat
 }
diff --git a/src/simulator/crates/mc-turn/tests/capture_engineer.rs b/src/simulator/crates/mc-turn/tests/capture_engineer.rs
index 70a76f41..e3c407db 100644
--- a/src/simulator/crates/mc-turn/tests/capture_engineer.rs
+++ b/src/simulator/crates/mc-turn/tests/capture_engineer.rs
@@ -27,7 +27,7 @@ use mc_replay::TurnEvent;
 use mc_turn::{
     capture::CapturePosture, AttackRequest, GameState, MapUnit, PlayerState, TurnProcessor,
 };
-use mc_units::{UnitStats as CatalogUnitStats, UnitsCatalog};
+use mc_units::{CombatStats, UnitStats as CatalogUnitStats, UnitsCatalog};
 
 const ENGINEER_ID: u32 = 800;
 
@@ -42,6 +42,7 @@ fn build_engineer_catalog() -> UnitsCatalog {
         ransom_multiplier: 2.0,
         build_cost: 0,
         logistics: None,
+        combat: CombatStats::default(),
     });
     // dwarf_engineer.json shape — capturable, premium ransom multiplier,
     // AP capacity 6 (tier-1 specialist ladder).
@@ -54,6 +55,7 @@ fn build_engineer_catalog() -> UnitsCatalog {
         ransom_multiplier: 3.0,
         build_cost: 70,
         logistics: None,
+        combat: CombatStats::default(),
     });
     cat
 }
diff --git a/src/simulator/crates/mc-turn/tests/capture_pvp_end_to_end.rs b/src/simulator/crates/mc-turn/tests/capture_pvp_end_to_end.rs
index 4158359a..98882a99 100644
--- a/src/simulator/crates/mc-turn/tests/capture_pvp_end_to_end.rs
+++ b/src/simulator/crates/mc-turn/tests/capture_pvp_end_to_end.rs
@@ -43,7 +43,7 @@ use mc_replay::TurnEvent;
 use mc_turn::{
     capture::CapturePosture, AttackRequest, GameState, MapUnit, PlayerState, TurnProcessor,
 };
-use mc_units::{UnitStats as CatalogUnitStats, UnitsCatalog};
+use mc_units::{CombatStats, UnitStats as CatalogUnitStats, UnitsCatalog};
 
 fn build_capturable_catalog() -> UnitsCatalog {
     let mut cat = UnitsCatalog::new();
@@ -56,6 +56,7 @@ fn build_capturable_catalog() -> UnitsCatalog {
         ransom_multiplier: 2.0,
         build_cost: 0,
         logistics: None,
+        combat: CombatStats::default(),
     });
     cat.insert(CatalogUnitStats {
         id: "worker".into(),
@@ -66,6 +67,7 @@ fn build_capturable_catalog() -> UnitsCatalog {
         ransom_multiplier: 2.0,
         build_cost: 70,
         logistics: None,
+        combat: CombatStats::default(),
     });
     cat
 }