Cleanse and Rinse is a limited-time event in Arknights: Endfield. Read ahead to learn how to progress the event, as well as the event period and rewards!
Table of Contents
Cleanse and Rinse Event Period and Rewards
Event Period
| Event Period | 3/29 12:00 - 04/19 04:00 (Server Time) |
| How to Unlock | Complete Chapter 2 Process II: Where Danger Sleeps |
The Cleanse and Rinse event involves washing away stains
using the Spray Easy Tool in various locations in Wuling. Head to the designated areas and wash away the dirt to complete the mission event missions!
Missions are Easy and Fast
Filled Ferrium Bottles are provided to the player at the start of each event mission, so no prior preparation is required. Furthermore, there is no combat or special puzzles in the event, so completing each mission and earning rewards takes roughly 10 minutes per mission.
Event Rewards
| Day 1 |  Oroberyl ×300  Mark of Perseverance ×4  Advanced Combat Record ×35 |
| Day 2 | Oroberyl ×200  Arms INSP Set ×75  Heavy Cast Die ×10 |
| Day 3 | TBA |
In Cleanse and Rinse, completing each cleaning mission earns you rewards such as "Oroberyl" and "Mark of Perseverance." On the event's start day, two missions are unlocked, and from then on, one new mission is unlocked each day.
Cleanse and Rinse Event Guide
| Click to Jump to a Section! |
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Critter's Trail Guide
First Stain is on the Signboard
The first Stain is found near Auntie Yu. Head outwards and spray the Signboard on your right.
Second Stain is on the Walkway
The second stain is found up the stairs from the first stain. After cleaning the signboard, face south and then walk up the stairs. Don't forget to clean the dirt on the walls too!
Last Stain is on the Solar Panels
The third and final stain is found on some solar panels lined on the roof. Approach the workers and hop onto the nearby boxes to access the roof area where the panels are found.
Cold Shower Guide
The 2nd mission is cleared by washing the dirt off 7 burdenbeasts near the Ecology Research Center. All 7 beasts are found within the mission zone, and you should remember to clean both sides of the animal.
TBA
| Under Cosntruction! | |
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 | Since the event missions are time-gated, please come back once the next mission unlocks! |
How to Progress in Cleanse and Rinse
- Read Chen's Message
- Volunteer to Help Auntie Yu
- Clean the Nearby Stain
- Proceed to the Designated Location and Clear the Dirt
From the main menu, select Events → Cleanse and Rinse, then press "Go" This will prioritize displaying the related mission for you.
Chen will ask the Endmin to deliver a message to the sanitation workers in Wuling.
Talk to Auntie Yu on the north side of the Residential Area in Wuling City, and you will reluctantly volunteer to help clean up the city.
Use the Spray Easy Tool to wash the nearby stains and dirt.
The Spray Easy Tool requires Ferrium Bottles filled with Clean Water to be able to wash away stains. Luckily, Clean Water bottles are provided at the start of every mission.
Once you start each mission, simply head to the designated mission area and clean up any stains and dirt with the Spray tool!
Arknights: Endfield Event Articles
All Events List Cleanse and RinseUntil Apr 19, 2026 04:00 AM (UTC -5) |  Monumental Etching: Scorch MarkUntil Next Version Update |
 Delver of the CrypticPermanent Event |
Narrative Events
 The Red Knight | [Event Period] Until Next Version Update [Main Rewards]  |
