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Not to be confused with the Sign-In Event.

EN Halloween Sign-In Event banner.png

The Halloween Sign-In Event is an event in the Global server of Arknights.

Release date
Global April 1, 2020 ~ April 15, 2020

Sign-In

During the event, sign in to the game for 7 days to claim the following rewards.

Day 1
Top Emergency Sanity Potion.png
2
Day 2
Tactical Battle Record.png
30
Day 3
Orirock Cluster.png
5
Orundum.png
300
Day 4
Pure Gold.png
20
LMD.png
30K
Day 5
Originite Prime.png
2
Day 6
Top Emergency Sanity Potion.png
1
Headhunting Permit.png
1
Day 7
Imp's House

Outfits

The following outfits are available in the Outfit Store:

New

Furniture

The Secret Occult Society furniture set is available in the Furniture Store.

Miscellaneous

During the event's second week, all daily and chip operations are available and players will also receive one Top Emergency Sanity Potion.png Top Emergency Sanity Potion (given as an in-game mail) daily.

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