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Stumbling Into Qingbo Stockade is a Main Mission in the Lost in the Marsh quest series of Arknights: Endfield. Check out how to unlock this mission, its walkthrough, and all its rewards in this guide!
| Previous Mission | Next Mission |
|---|---|
| Arrival at Wuling | Destination Wuling |
List of Contents
| Mission Type | Main Mission |
|---|---|
| Quest Line | Lost in the Marsh |
| Chapter | Chapter 2 - Process 1 |
| Location | Wuling, Jingyu Valley |
Stumbling Into Qingbo Stockade is the second quest under the Lost in the Marsh mission series. This quest is under Chapter 2 - Process 1 of the main story and is located in Jingyu Valley.

Stumbling Into Qingbo Stockade is immediately unlocked after completing the Arrival at Wuling quest from the Lost in the Marsh quest series with no level restriction.
Arrival at Wuling Main Mission Guide

After speaking with Tangtang during the last quest, head north to leave the limestone cave to reach Qingbo Bailey.

After seeing where the Stockade is, head right to continue heading to Qingbo Stockade. You see a man passed out along the trail.

Approach the resident to help him recover. You spot a group of Aggeloi along the way.

Defeat the three Aggeloi down the path. You and Perlica think that there is danger lurking behind the Qingbo Stockade. You decide to help Tangtang with bridge repairs.

You receive 20 Ferrium Bottles. Open the Easy Tools menu and switch to the Fill action. Go to the lake nearby and fill up 10 Ferrium Bottles with water.

After getting water, approach the mechanism and select the Clean Water in Ferrium Bottles to pour into the mechanism. This repairs the Xiranite Bridge.

Cross the bridge and continue following the path to enter the Qingbo Stockade. You find that the place has been infiltrated by the Aggeloi.

Help Tangtang and Ruan Yi defeat the Aggeloi. There are 3 specific locations to clear. You can clear the locations in any order.
| Help Qingbo Stockade | |
|---|---|
| 1 | ![]() For the first location, continue moving forward. Clear all Aggeloi in the entrance and to the left. He Lao offers his gratitude. |
| 2 | ![]() After speaking with He Lao, head north to the second location. Defeat 5 Aggeloi that surrounded the residents. |
| 3 | ![]() Head southeast of the Stockade. Clear the Aggeloi along the way. Defeat the remaining Aggeloi that surround the market. |

Stonefang hurriedly returns to tell the location of the trapped residents. Head east to go rescue them.

Before reaching the location of the trapped residents, clear out the Aggeloi that block your path.

The trapped residents yell out to open the sluice gate. Past the fluid tank by the ledge, interact with the sluice gate to raise the water level. Jump on the raft to reach the residents.

Go to the lake and fill up the remaining 10 Ferrium Bottles with water with the Fill action.

To the right is the Fluid Tank. Approach the tank and pour all 10 water bottles to get the waterwheels started.

A platform bridge opened up for you to progress down on. Crossing the bridge will complete the mission.
| Total Quest Rewards |
T-Creds x5650 |
Protoprism x9 |
Origeometry x2 |
|---|---|---|
Arms INSP Kit x13 |
||
You can also get 300 Operational EXP for completing the mission.

| Prologue | |
|---|---|
| Process: Awakening | |
| Chapter I: Process I - The Broken Lands | |
| Break the Siege | Valley Reboot |
| Rally and Unite | Westward into the Vale |
| Secure Sanctuary | Building an Outpost |
| Through the Haze | Fort Showdown |
| Chapter I: Process II - The Turbid Heavens | |
| Paving the Way | Work Preparation |
| Maintenance Progress | - |
| Chapter I: Process III - Path of Ascension | |
| The Mission Continues | Cross the Science Park |
| Park Way Party | Walk in the Park |
| Mystery in the Building | Down the Hill |
| Shattered Veins | Lodespring Crossing |
| Cradle of Ages | Eve of Battle |
| Chapter I: Process IV - Smoking Embers | |
| Entering the Endgame | Counterstrike Brewing |
| Scaldings of Utjug | Frontline Rush |
| Undying Cinders | Temporary Peace |
| Mysterious Signal | Conference of the Four |
| Work Preparation | - |
| Chapter II: Process I - Lost in the Marsh | |
| Arrival at Wuling | Stumbling Into Qingbo Stockade |
| Destination Wuling | - |
| Chapter II: Process II - The Way of Water | |
| A Glance of Astonishment | A Breeze Away |
| Of Grace and Gentle Might | - |
Stumbling Into Qingbo Stockade Main Mission Guide

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