diff --git a/README.md b/README.md
index f7aeb7b..fe84823 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ Godot 4 tactical RPG prototype inspired by classic turn-based Romance of the Thr
 
 ## Current Slice
 
-- Thirty-eight campaign scenarios.
+- Thirty-nine campaign scenarios.
 - Grid movement.
 - Unit selection.
 - Move, attack, wait, end turn.
@@ -59,6 +59,7 @@ Godot 4 tactical RPG prototype inspired by classic turn-based Romance of the Thr
 - Weishui Crossing consumes the Weishui Camps branch flags and turns the western campaign from river defense into a Guanzhong foothold.
 - Guanzhong Foothold consumes the Weishui Crossing branch flags and turns the seized riverbank into a western base against Ma Chao's rearguard.
 - Ma Chao Retreat consumes the Guanzhong Foothold branch flags and drives the western campaign toward Guanzhong pacification or the Hanzhong front.
+- Hanzhong Approach consumes the Ma Chao Retreat branch flags and opens Zhang Lu's mountain gate campaign.
 - Post-battle choices can save campaign flags that branch later briefing text, shop stock, and scenario events.
 - Scenario post-battle dialogue can play before the victory result panel.
 - Basic battle EXP, level-ups, and core first-tier class promotion routes.
diff --git a/data/campaign/campaign.json b/data/campaign/campaign.json
index 090ea2c..2e4a61e 100644
--- a/data/campaign/campaign.json
+++ b/data/campaign/campaign.json
@@ -193,6 +193,11 @@
       "id": "038_ma_chao_retreat",
       "title": "Ma Chao Retreat",
       "path": "res://data/scenarios/038_ma_chao_retreat.json"
+    },
+    {
+      "id": "039_hanzhong_approach",
+      "title": "Hanzhong Approach",
+      "path": "res://data/scenarios/039_hanzhong_approach.json"
     }
   ]
 }
diff --git a/data/scenarios/039_hanzhong_approach.json b/data/scenarios/039_hanzhong_approach.json
new file mode 100644
index 0000000..90df50e
--- /dev/null
+++ b/data/scenarios/039_hanzhong_approach.json
@@ -0,0 +1,359 @@
+{
+  "id": "039_hanzhong_approach",
+  "name": "Hanzhong Approach",
+  "objectives": {
+    "victory": "Reach the Hanzhong approach with Cao Cao, then defeat Zhang Lu's border guard.",
+    "defeat": "Cao Cao is defeated or the battle reaches Turn 18."
+  },
+  "conditions": {
+    "victory": { "type": "all_units_defeated", "team": "enemy", "after_event": "hanzhong_approach_reached" },
+    "defeat": [
+      { "type": "any_officer_defeated", "team": "player", "officer_ids": ["cao_cao"] },
+      { "type": "turn_reached", "turn": 18, "team": "player" }
+    ]
+  },
+  "briefing": {
+    "title": "Hanzhong Approach",
+    "location": "Hanzhong Approach, Qinling Passes, 215 CE",
+    "lines": [
+      "With Ma Chao's retreat broken, Cao Cao turns from Guanzhong's roads toward Hanzhong's mountain gates.",
+      "Zhang Lu's border guard watches the passes, where supply, faith, and narrow stone roads can slow even a victorious army."
+    ],
+    "conditional_lines": [
+      {
+        "campaign_flags": { "pacified_guanzhong": true },
+        "lines": [
+          "Pacified Guanzhong gives Cao Cao a quiet rear and fuller supply trains before the mountain approach."
+        ]
+      },
+      {
+        "campaign_flags": { "prepared_hanzhong_front": true },
+        "lines": [
+          "Preparations for Hanzhong put Cao Cao's vanguard in motion early, but Zhang Lu's border scouts have already lit the pass beacons."
+        ]
+      }
+    ]
+  },
+  "shop": {
+    "items": [
+      "bean",
+      "wine",
+      "iron_sword",
+      "training_spear",
+      "short_bow",
+      "hand_axe",
+      "war_axe",
+      "leather_armor",
+      "iron_armor"
+    ],
+    "conditional_items": [
+      {
+        "campaign_flags": { "pacified_guanzhong": true },
+        "items": ["imperial_seal"]
+      },
+      {
+        "campaign_flags": { "prepared_hanzhong_front": true },
+        "items": ["war_drum"]
+      }
+    ]
+  },
+  "roster": {
+    "max_units": 7,
+    "required_officers": ["cao_cao", "guo_jia"]
+  },
+  "formation": {
+    "cells": [[1, 3], [1, 4], [1, 5], [2, 2], [2, 3], [2, 4], [2, 5], [2, 6], [3, 2], [3, 3], [3, 4], [3, 5], [3, 6]]
+  },
+  "map": {
+    "width": 18,
+    "height": 11,
+    "terrain": [
+      "GGGGHHGGGGGGHHGGGG",
+      "GGFFHHGGRRGGHHFFGG",
+      "GGRRRRRRRRRRRRFFGG",
+      "GGGFGHGGGGRRGGGGGG",
+      "RRRRRRRRRRRRRRRRRR",
+      "GGGGGHHGGGRRGFFGGG",
+      "GGHHGFFFGGFFFGGHHG",
+      "GGHHGFFFGGFFFGGHHG",
+      "GGGGGGFFGGHHHGGGGG",
+      "GGFFGGGGGGHHHFFGGG",
+      "GGGGGGGGGGGGGGGGGG"
+    ]
+  },
+  "deployments": [
+    {
+      "unit_id": "cao_cao_ch39",
+      "officer_id": "cao_cao",
+      "team": "player",
+      "pos": [1, 4]
+    },
+    {
+      "unit_id": "guo_jia_ch39",
+      "officer_id": "guo_jia",
+      "team": "player",
+      "requires_joined": true,
+      "pos": [2, 4]
+    },
+    {
+      "unit_id": "zhang_he_ch39",
+      "officer_id": "zhang_he",
+      "team": "player",
+      "requires_joined": true,
+      "pos": [2, 3]
+    },
+    {
+      "unit_id": "xiahou_dun_ch39",
+      "officer_id": "xiahou_dun",
+      "team": "player",
+      "pos": [1, 5]
+    },
+    {
+      "unit_id": "dian_wei_ch39",
+      "officer_id": "dian_wei",
+      "team": "player",
+      "requires_joined": true,
+      "pos": [2, 5]
+    },
+    {
+      "unit_id": "xiahou_yuan_ch39",
+      "officer_id": "xiahou_yuan",
+      "team": "player",
+      "requires_joined": true,
+      "pos": [3, 3]
+    },
+    {
+      "unit_id": "cao_ren_ch39",
+      "officer_id": "cao_ren",
+      "team": "player",
+      "requires_joined": true,
+      "pos": [3, 4]
+    },
+    {
+      "unit_id": "zhang_lu_border_guard",
+      "name": "Zhang Lu Border Guard",
+      "class_id": "commander",
+      "team": "enemy",
+      "level": 36,
+      "pos": [14, 4],
+      "base": { "hp": 126, "mp": 50, "atk": 37, "def": 29, "int": 30, "agi": 20 }
+    },
+    {
+      "unit_id": "hanzhong_pass_champion",
+      "name": "Hanzhong Pass Champion",
+      "class_id": "champion",
+      "team": "enemy",
+      "level": 36,
+      "pos": [15, 3],
+      "base": { "hp": 130, "mp": 12, "atk": 39, "def": 27, "int": 12, "agi": 24 }
+    },
+    {
+      "unit_id": "mountain_gate_captain",
+      "name": "Mountain Gate Captain",
+      "class_id": "guard_captain",
+      "team": "enemy",
+      "level": 36,
+      "pos": [12, 4],
+      "base": { "hp": 104, "atk": 37, "def": 30 }
+    },
+    {
+      "unit_id": "hanzhong_ritual_advisor",
+      "name": "Hanzhong Ritual Advisor",
+      "class_id": "military_advisor",
+      "team": "enemy",
+      "level": 36,
+      "pos": [13, 5],
+      "skills": ["blaze", "great_mend"],
+      "base": { "hp": 92, "mp": 76, "atk": 8, "def": 18, "int": 39, "agi": 18 }
+    },
+    {
+      "unit_id": "hanzhong_spear_north",
+      "name": "Hanzhong Spear Guard",
+      "class_id": "infantry",
+      "team": "enemy",
+      "level": 36,
+      "pos": [12, 3],
+      "base": { "hp": 94, "atk": 37, "def": 27 }
+    },
+    {
+      "unit_id": "hanzhong_spear_south",
+      "name": "Hanzhong Spear Guard",
+      "class_id": "infantry",
+      "team": "enemy",
+      "level": 36,
+      "pos": [12, 5],
+      "base": { "hp": 94, "atk": 37, "def": 27 }
+    },
+    {
+      "unit_id": "hanzhong_pass_marksman",
+      "name": "Hanzhong Pass Marksman",
+      "class_id": "marksman",
+      "team": "enemy",
+      "level": 36,
+      "pos": [13, 2],
+      "base": { "hp": 86, "atk": 38, "def": 14, "agi": 27 }
+    }
+  ],
+  "events": [
+    {
+      "id": "opening",
+      "once": true,
+      "when": { "type": "battle_start" },
+      "actions": [
+        { "type": "log", "text": "Cao Cao's army approaches Hanzhong's mountain gates as Zhang Lu's border guard blocks the pass road." }
+      ]
+    },
+    {
+      "id": "opening_dialogue",
+      "once": true,
+      "when": { "type": "battle_begin" },
+      "actions": [
+        {
+          "type": "dialogue",
+          "lines": [
+            { "speaker": "Xiahou Yuan", "text": "The road climbs quickly. Hanzhong will not fight like Guanzhong." },
+            { "speaker": "Guo Jia", "text": "Mountains make small armies feel large and large armies feel slow." },
+            { "speaker": "Cao Cao", "text": "Then we move before the mountain teaches them confidence." }
+          ]
+        }
+      ]
+    },
+    {
+      "id": "pacified_guanzhong_feeds_pass_column",
+      "once": true,
+      "when": { "type": "turn_start", "team": "player", "turn": 2, "campaign_flags": { "pacified_guanzhong": true } },
+      "actions": [
+        {
+          "type": "dialogue",
+          "lines": [
+            { "speaker": "Cao Ren", "text": "Guanzhong is quiet enough to keep the pass column supplied." },
+            { "speaker": "Cao Cao", "text": "A quiet rear lets a narrow road feel wider." }
+          ]
+        }
+      ]
+    },
+    {
+      "id": "prepared_hanzhong_front_lights_beacons",
+      "once": true,
+      "when": { "type": "turn_start", "team": "enemy", "turn": 2, "campaign_flags": { "prepared_hanzhong_front": true } },
+      "actions": [
+        {
+          "type": "dialogue",
+          "lines": [
+            { "speaker": "Zhang Lu Border Guard", "text": "Cao Cao prepared for Hanzhong early. Light every pass beacon and make speed cost him." },
+            { "speaker": "Zhang He", "text": "The pass is awake. We will have to cut through before it gathers." }
+          ]
+        },
+        {
+          "type": "spawn_deployment",
+          "deployment": {
+            "unit_id": "hanzhong_beacon_riders",
+            "name": "Hanzhong Beacon Riders",
+            "class_id": "cavalry",
+            "team": "enemy",
+            "level": 36,
+            "pos": [16, 3],
+            "base": { "hp": 86, "atk": 34, "def": 18, "agi": 24 }
+          }
+        }
+      ]
+    },
+    {
+      "id": "turn_4_pass_rituals",
+      "once": true,
+      "when": { "type": "turn_start", "team": "enemy", "turn": 4 },
+      "actions": [
+        {
+          "type": "dialogue",
+          "lines": [
+            { "speaker": "Hanzhong Ritual Advisor", "text": "Hold the gates. Let the invaders learn how slowly a mountain opens." },
+            { "speaker": "Guo Jia", "text": "They want delay to become belief. We cannot give them time." }
+          ]
+        }
+      ]
+    },
+    {
+      "id": "hanzhong_approach_reached",
+      "once": true,
+      "when": { "type": "unit_reaches_tile", "team": "player", "officer_ids": ["cao_cao"], "pos": [10, 4] },
+      "actions": [
+        {
+          "type": "set_objective",
+          "victory": "The Hanzhong approach is reached. Defeat Zhang Lu's border guard.",
+          "defeat": "Cao Cao is defeated or the battle reaches Turn 18."
+        },
+        {
+          "type": "dialogue",
+          "lines": [
+            { "speaker": "Cao Cao", "text": "This is the approach. Break the border guard before Hanzhong closes its gates." },
+            { "speaker": "Zhang Lu Border Guard", "text": "The gate is not yours because you can see it." }
+          ]
+        },
+        {
+          "type": "spawn_deployments",
+          "deployments": [
+            {
+              "unit_id": "hanzhong_gate_halberd",
+              "name": "Hanzhong Gate Halberd",
+              "class_id": "guard_captain",
+              "team": "enemy",
+              "level": 36,
+              "pos": [16, 4],
+              "base": { "hp": 102, "atk": 37, "def": 30 }
+            },
+            {
+              "unit_id": "hanzhong_gate_archer",
+              "name": "Hanzhong Gate Archer",
+              "class_id": "archer",
+              "team": "enemy",
+              "level": 36,
+              "pos": [16, 5],
+              "base": { "hp": 80, "atk": 36, "def": 12, "agi": 25 }
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "id": "turn_9_gate_in_sight",
+      "once": true,
+      "when": { "type": "turn_start", "team": "player", "turn": 9 },
+      "actions": [
+        {
+          "type": "dialogue",
+          "lines": [
+            { "speaker": "Xiahou Yuan", "text": "The gate road is in sight. Their border guard is running out of pass to hide behind." },
+            { "speaker": "Cao Cao", "text": "Then make Hanzhong hear us before we knock." }
+          ]
+        }
+      ]
+    }
+  ],
+  "rewards": {
+    "gold": 7600,
+    "items": ["bean", "wine", "war_drum"]
+  },
+  "post_battle_dialogue": [
+    { "speaker": "Guo Jia", "text": "The Hanzhong approach is open. Zhang Lu must now decide whether his gates are walls or bargaining tables." },
+    { "speaker": "Xiahou Yuan", "text": "We can secure the approach and bring up supplies, or press the gate before Zhang Lu's priests steady the defenders." },
+    { "speaker": "Cao Cao", "text": "Hanzhong can be opened by patience or shock. Choose the first argument." }
+  ],
+  "post_battle_choices": [
+    {
+      "id": "secure_hanzhong_approach",
+      "label": "Secure Approach",
+      "description": "Cao Cao secures the Hanzhong approach so the mountain column can advance safely.",
+      "set_flags": { "secured_hanzhong_approach": true, "pressed_zhang_lu_gate": false },
+      "gold": 1200,
+      "items": ["imperial_seal"]
+    },
+    {
+      "id": "press_zhang_lu_gate",
+      "label": "Press Gate",
+      "description": "Cao Cao presses Zhang Lu's gate before the Hanzhong defense can settle.",
+      "set_flags": { "secured_hanzhong_approach": false, "pressed_zhang_lu_gate": true },
+      "gold": 1000,
+      "items": ["war_drum"]
+    }
+  ]
+}
diff --git a/docs/DATA_MODEL.md b/docs/DATA_MODEL.md
index 719fe8a..69d34e4 100644
--- a/docs/DATA_MODEL.md
+++ b/docs/DATA_MODEL.md
@@ -49,6 +49,7 @@ data/scenarios/035_weishui_camps.json
 data/scenarios/036_weishui_crossing.json
 data/scenarios/037_guanzhong_foothold.json
 data/scenarios/038_ma_chao_retreat.json
+data/scenarios/039_hanzhong_approach.json
 ```
 
 ## Campaign
@@ -99,7 +100,8 @@ The campaign file defines scenario order, resource paths, and officers who are a
     { "id": "035_weishui_camps", "title": "Weishui Camps", "path": "res://data/scenarios/035_weishui_camps.json" },
     { "id": "036_weishui_crossing", "title": "Weishui Crossing", "path": "res://data/scenarios/036_weishui_crossing.json" },
     { "id": "037_guanzhong_foothold", "title": "Guanzhong Foothold", "path": "res://data/scenarios/037_guanzhong_foothold.json" },
-    { "id": "038_ma_chao_retreat", "title": "Ma Chao Retreat", "path": "res://data/scenarios/038_ma_chao_retreat.json" }
+    { "id": "038_ma_chao_retreat", "title": "Ma Chao Retreat", "path": "res://data/scenarios/038_ma_chao_retreat.json" },
+    { "id": "039_hanzhong_approach", "title": "Hanzhong Approach", "path": "res://data/scenarios/039_hanzhong_approach.json" }
   ]
 }
 ```
diff --git a/docs/ROADMAP.md b/docs/ROADMAP.md
index 421a334..733827f 100644
--- a/docs/ROADMAP.md
+++ b/docs/ROADMAP.md
@@ -21,7 +21,7 @@
 - Destination victory conditions and objective map markers exist.
 - Turn-limit conditions and HUD turn-limit display exist.
 - Victory reward summary is visible.
-- Next-battle flow exists across the current thirty-eight-scenario campaign.
+- Next-battle flow exists across the current thirty-nine-scenario campaign.
 - Campaign completion and new-campaign reset exist.
 - Reward inventory can be brought into the next battle.
 
@@ -52,7 +52,7 @@
 - Party roster persistence has a first save-file skeleton.
 - Level, experience, and equipment persistence.
 - Chapter selection and save/load.
-- Linear thirty-eight-scenario campaign order exists.
+- Linear thirty-nine-scenario campaign order exists.
 - Save reset exists.
 - Victory rewards, consumable counts, equipment stock, and equipped gear persist.
 - A basic pre-battle shop with scenario-specific stock exists. Sell-back and richer item management are still planned.
@@ -98,6 +98,7 @@
 - Thirty-sixth-scenario content exists with Wei River crossing pressure, Guanzhong foothold stakes, western alliance strain, and 035 branch reactions.
 - Thirty-seventh-scenario content exists with Guanzhong foothold pressure, Ma Chao's rearguard, split-alliance tension, and 036 branch reactions.
 - Thirty-eighth-scenario content exists with Ma Chao retreat pressure, Guanzhong commandery stakes, western road pursuit, and 037 branch reactions.
+- Thirty-ninth-scenario content exists with Hanzhong approach pressure, Zhang Lu's border guard, mountain-gate stakes, and 038 branch reactions.
 
 ## Milestone 5: Presentation