★ Tier Lists: Characters | Weapons | Demon Wedges
★ Builds: Kezhou | Fushu | Fina | Lynn | Psyche
★ Version 1.2 Summary | Characters: Zhiliu | Yuming
┗ Mechanics: Mount | Gifting | Reputation | Accessory Customization
★ How to Get Characters | Mystic Maze | Redeem Codes

Sewer Maintenance Duty is a Dynamic Quest that can be found in Icelake Sewers in Duet Night Abyss. Read on to learn how to unlock Sewer Maintenance Duty, its location, a walkthrough guide on how to clear Sewer Maintenance Duty, dialogue impressions, and the complete list of rewards!
List of Contents
| Map | Overworld |
|---|---|
![]() |
![]() |
To unlock Sewer Maintenance Duty, you need to talk to Distressed Soldier. You can find Distressed Soldier at Icelake Sewers.

Another way to unlock this Dynamic Quest is through the Expedition Tab via the Map.
| Sewer Maintenance Duty Objectives |
|---|
|
|

Interact with the Distressed Soldier. He will ask for help in clearing the clogged sewerage. You need to open three sluice gates to flush out the clog.
| Location | Overworld |
|---|---|
![]() Location 1 |
![]() Interact with the mechanism in front of the Distressed soldier. |
![]() Location 2 |
![]() Go to the mechanism across the room. |
![]() Location 3 |
![]() From the second mechanism, head to the right and you will see a valve handle. |

After you interact with the first mechanism, it will have you complete a mini-game where you drag the white hexagon to the endpoint hexagon.

Interact with this mechanism and you need to illuminate the white areas to active the device.

Interact with this mechanism and complete the puzzle by continously breaking through the drag ranges.

Return to the Soldier and after talking to him, the quest will be completed and you will get your reward.
| Obtainable Rewards |
|
|---|

| All Quest Types | |
|---|---|
| Main Quests | Side Quests |
| Special Side Quests | Dynamic Quests |
| Event Quests | |
| Huaxu Dynamic Quests | |
|---|---|
| Photo at EverSpring | Matters of the Heart |
| The Forgetful Fisherman | |
| Lonza Fortress Dynamic Quests | |
|---|---|
| Advance of the Legion | Filthoids in the Tunnel |
| Salvage Operation | Emergency Alarm |
| Purgatorio Island Dynamic Quests | |
|---|---|
| Lunoxplorer's Small Request | Filthoid Attack |
| Explorer in Peril! | Lunoxplorer's Specimen Hunt |
Sewer Maintenance Duty Walkthrough and How to Unlock

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