Sanity Supply Event Guide
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The Sanity Supply Event begins on March 22 and April 10, 2026 in Arknights: Endfield. Check out the schedule for the event, and how the event works here!
| Sanity Events in Arknights: Endfield | |
|---|---|
| Sanity Discount | Sanity Supply |
List of Contents
Sanity Supply Event Details
Sanity Supply Event Information
 |
|
| 1st Run |
March 22, 2026 (Server Time) March 28, 2026 (Server Time) |
|---|---|
| 2nd Run |
April 10, 2026 (Server Time) April 16, 2026 (UTC+8) |
The first Sanity Supply Event started March 22, 2026, and end on March 29, 2026 (Server Time). The second run of this event will begin on April 10, 2026 and will continue until shortly after the end of Version 1.1 on April 16, 2026 (UTC+8)!
This event replaces the previously announced Sanity Discount event, which was supposed to take place on the same dates. The developers have also noted they will optimize the event in preparation for the next version, which is most likely Version 1.2.
Sanity Supply Event Countdown
| until the end of the event |
Unlocks After Completing Paving the Way
To be able to receive the gifts from this event, players must first clear Chapter 1 Process 2 of the Main Missions, Paving the Way.
Paving the Way Main Mission Guide
Sanity Supply Event Rules
Claim Sanity Boosters Each Day at 4:00 Server Time
The Sanity Supply event rewards players with 3 Emergency Sanity Boosters once per day for 7 days during the event's duration. This happens once a day, starting at 4:00 AM (Server Time).
The gifts are sent through the inbox, and are available for claiming after logging in for the first time of the day.
Missed Sanity Boosters Cannot Be Claimed
The deadline to claim the mail is 3:59 AM of the next day (Server Time). Should you not log in before then to receive the mail, you will miss the Emergency Sanity Boosters given on that day.
If you log in later during the event’s week-long duration, the Sanity Boosters from the previous days of the event cannot be claimed retroactively.
Arknights: Endfield Related Guides
Current Events
| Event | Schedule & Summary |
|---|---|
 Sanity Supply Mail Reward Event
|
Period: 03/22/26 - 03/29/2026 Log in once a day for one week to receive Emergency Sanity Boosters in the mail! |
 Quietly Flows the Spring Guide Event
|
Period: 03/12/26 - 04/02/26 Visit Qingbo Stockade and explore the new sub-region to complete event missions and get rich rewards! |
 Supply Exploration Day Supply Event
|
Period: 03/19/26 - 04/02/2026 Collect items and exchange them for rewards! |
 Gently Flows Qingbo Sign-In
|
Period: 03/12/26 - 03/29/26 Login for 7 days to get rewards during the Tangtang Sign-In Event! |
Upcoming Events
| Event | Schedule & Summary |
|---|---|
 Pearl of the Pack Sign-In
|
Period: 03/29/26 - 04/14/26 Login for 7 days to get rewards during the Rossi Sign-In Event! |
 Survival Training
|
Period: 04/09/26 Clear the tower defense-esque game modes and combat stages to get all the rewards! |
 Cleanse and Rinse
|
Period: 03/29/26 Use a jet drone to cleanse and rinse objectives to get rewards |
Permanent Events
| Event | Schedule & Summary |
|---|---|
 Awakening Sign-In Beginner Event
|
Period: Permanent Once you unlock the Event Center, log into the game for 14 days. |
 New Horizons Beginner Event
|
Period: Permanent Complete the designated main missions to earn pulls on the New Horizons Headhunting Banner! |
 Authority Level Rewards Beginner Event
|
Period: Permanent Claim exclusive rewards upon reaching specific Authority Levels! |
 Combat Drills Operator Trial
|
Period: Permanent Try out the current featured Operator in a pre-set team and see their skills in action! |
 Monumental Etching Exclusive Event
|
Period: Permanent Complete the corresponding Umbral Monument stages in Normal Mode to obtain all available Oroberyl rewards. |
All Web Events
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