Cleanse and Rinse Event Guide
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Cleanse and Rinse is a limited-time Fun and Games event in Arknights: Endfield Version 1.1. Check out the rewards for the event, all cleaning missions, and how to unlock them here!
All Cleanse and Rinse Missions
All Cleanse and Rinse Missions Guide
- Critters' Trail
- Cold Shower
- Reign of Gloomy Dirt
- Chubby Lung Rescue
- Hidden Danger
- Platform Cleaning Drill
- Bouncy Cleaning Drill
Critters' Trail
| Overworld | Details |
|---|---|
 |
The first area serves as the tutorial, and is just beside Auntie Yu. |
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The second target is just outside the area where you met Auntie Yu, smearing a poster. |
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The third location can be found at the top of the stairs, near where the second location is. |
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If you go further up the path, you can find the last target on the rooftop of a building. |
For the first cleaning mission, you can find the location of the three targets in Wuling City's Residential Area.
Cold Shower
| Overworld | Details |
|---|---|
 |
First level of the terrace, found on the east. |
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First level of the terrace, found a little past the first location |
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South of the second location, on the main pathway. |
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West of the third location, near the bottom rung of the stairs up the terrace. |
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Top level of the terrace, close to a stairwell that goes up to the Research Station. |
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West from the fifth location, closest to the nearby building. |
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Found east of the fifth location, just beside a flight of stairs. |
The second cleaning mission has you cleaning dirty Burdenbeasts in the Ecological Research Station in Jingyu Valley.
Reign of Gloomy Dirt
The third cleaning mission has you going to the back of Wuling City's Institute of Materials Science. Special platforms will appear after talking to Auntie Yu to start the quest!
Chubby Lung Rescue
| Overworld | Details |
|---|---|
 |
The first Chubby Lung is found right behind you when you first start the mission. |
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Found on the rooftop on the right of the starting point. Accessed by rappelling up and using a jump pad. |
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Found on the footbridge in the center of Fangxing Avenue. |
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On a rooftop on the left side of the avenue. Accessed by rappelling up a rope. |
The fourth cleaning mission involves cleaning four giant Chubby Lung inflatables in Fangxing Avenue in Wuling City. During this mission, you will have access to jump pads and rappel ropes, allowing you to reach them with your jet drone.
Much like the third cleaning mission, there is also a 10-minute time limit to complete the challenge!
Hidden Danger
| Overworld | Details |
|---|---|
 |
The first mud is located directly on top of the stairs. Clean everything out to find the first clue. |
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The second clue can be found at the midway point of the stairs. |
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There's another mud at the bottom of the stairs that you can clean out. |
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The third clue can be found on the walkway that leads out to the outskirts. |
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The final clue can be found on a path just outside of the city in the Outskirts. |
For the Hidden Danger stage, you'll clean out an area near the Tianshi Bureau Academy and follow a bunch of footprints that lead you to Auntie Yu's grandkid.
Platform Cleaning Drill
The Platform Cleaning Drill needs you to clean the stains on the wall while traversing through moving platforms to reach each of them.
This one also features a leaderboard that shows how fast you cleaned the stains by you and your friends!
Bouncy Cleaning Drill
Bouncy Cleaning Drill is also the same as the Platform Cleaning Drill, but this time, you'll be using Bounce Pads to jump up to different platforms while cleaning stains mid-air.
How to Play Cleanse and Rinse
Sanitation Elite Mission Guide
- Read Chen Qiangyu's Message on Baker
- Head to Wuling City and Talk to Auntie Yu
- Equip Drone Jet to Clean The Areas
Read Chen Qiangyu's Message on Baker
To begin the event mission, read the message Chen Qianyu sends you through Baker. She will inform you about helping out with Wuling Sanitation Day, as she is currently out on a mission.
Head to Wuling City and Talk to Auntie Yu
Head on over to the location shared by Chen in Wuling City to meet with Auntie Yu, who is leading the event.
Wuling City Interactive Map and Locations
Equip Drone Jet to Clean The Areas
After talking to Auntie Yu, go around the designated areas in Wuling to clean various areas using your Drone Jet to spray dirty things with clean water.
Simply go to the areas marked by Auntie Yu to complete each stage!
Cleanse and Rinse Event Information
Cleanse and Rinse Release Date
 Cleanse and Rinse |
|
| Event Start | March 29, 2026 |
|---|---|
| Event End | April 19, 2026 |
Cleanse and Rinse began on March 29, 2026 (Server Time) and will end on April 19, 2026 (GMT+8).
Version 1.1 Update Release Date and Banners
How to Unlock Cleanse and Rinse Event
Complete Where Danger Sleeps Main Mission
To be able to play the Cleanse and Rinse event, players must first get to Chapter II Process II of the Main Missions, Where Danger Sleeps.
This means you have to reach and unlock Wuling City first before players can participate in the event!
Where Danger Sleeps Main Mission Guide
Cleanse and Rinse Event Rewards
List of All Rewards
| Stages | Rewards |
|---|---|
| Critter's Tale |
 Oroberyl
x300 |
| Cold Shower |
Oroberyl
x200 Heavy Cast Die
x35 |
| Reign of Gloomy Dirt |
Oroberyl
x200 Protohedron
x75 Protoprism
x50 |
| Chubby Lung Rescue |
Oroberyl
x200 |
| Hidden Danger |
Oroberyl
x200 Protoset
x60 Protodisk
x25 |
| Platform Cleaning Drill |
Oroberyl
x200 T-Creds
x30K |
| Bouncy Cleaning Drill |
 Expert Cleaner Icon Oroberyl
x300 T-Creds
x60K |
Mark of Perseverance
Advanced Cognitive Carrier
Arms INSP Set
Advanced Progression Selection Crate IRewards can be claimed in the Events sub-menu. Make sure to claim them as soon as possible before the event ends!
Arknights: Endfield Related Guides
Current Events
| Event | Schedule & Summary |
|---|---|
 Snow Over Deep Woods
|
Period: 09/02/2026 - 09/30/26 Explore Snowy Forest and complete missions to get various rewards! |
 Fletched Irontip Sign-In
|
Period: 09/02/2026 - 09/30/26 Sign-in to get extra pulls for Typhoeus! |
Upcoming Events
| Event | Schedule & Summary |
|---|---|
 Sanity Supply
|
Period: 08/26/26 - 09/02/2026 Log in once a day for one week to receive Emergency Sanity Boosters in the mail! |
 Trial of the Bow
|
Period: 09/09/2026 - 10/15/2026 Equip Arrow Chips to complete trainings and exercises for rewards! |
 AIC Support: Chubby Lung Attacks
|
Period: 09/16/2026 - 09/30/26 Participate in AIC Factory production and trade support goods for rewards! |
 Runners' Steeplechase
|
Period: 10/01/2026 - 10/15/2026 Gather Chubby Lung Balloons along the course and reach the finish line to obtain rewards! |
 OrbiPom! MERGE!
|
Period: 10/01/2026 - 10/15/2026 Merge identical OrbiPom to complete your collection and find the Golden Endmin! |
 Echoing Bell of an Old City
|
Period: 09/24/2026 - 10/15/2026 Explore Suiming and complete missions to get various rewards! |
 Ridgeline Flows of Autumn Sign-In
|
Period: 10/01/2026 - 10/15/2026 Log into the game every day to claim sign-in rewards! |
 Purry Big Feline! RAWR!
|
Period: 09/24/2026 - 10/15/2026 Complete the event to get the 5-star operator Purrchena and the 5-star sword Dessert Moment. |
Permanent Events
| Event | Schedule & Summary |
|---|---|
 Awakening Sign-In
|
Period: Permanent Once you unlock the Event Center, log into the game for 14 days. |
 New Horizons
|
Period: Permanent Complete the designated main missions to earn pulls on the New Horizons Headhunting Banner! |
 Authority Level Rewards
|
Period: Permanent Claim exclusive rewards upon reaching specific Authority Levels! |
 Combat Drills
|
Period: Permanent Try out the current featured Operator in a pre-set team and see their skills in action! |
 Monumental Etching
|
Period: Permanent Complete the corresponding Umbral Monument stages in Normal Mode to obtain all available Oroberyl rewards. |
 Operator Progression Booster
|
Period: Permanent Permanent Booster for Beginners that refunds a great amount of materials while upgrading. |
 Protocol Reconnection
|
Period: Permanent Log into the game every day after returning to Arknights: Endfield to receive welcome back gifts! |
 Echoes of War
|
Period: Permanent A seasonal game mode that is permanently available. Challenge various stages, ear stars, and achieve various season titles. |
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