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EN Mansfield Break banner.png

Mansfield Break (MB) is the eighth major event and the seventh Side Story in Arknights.

Release date
CN December 17, 2020 ~ December 31, 2021
Global June 22, 2021 ~ July 6, 2021
TW October 28, 2021 ~ November 11, 2021

Operations

Clear 1-10 to access MB operations.

Escape Plan
Mansfield Daily Life

Mansfield Daily Life operations are available in the second week.

All MB operations are worth 27 Originite Prime icon.png.

Annihilation

Frozen Abandoned City is introduced as the new Rotating Mission in July 5, 2021.

Operators

The following Operators will gain 50% more trust (except from Annihilation):

Headhunting

The Jail Tiger Unchained headhunting banner is featured.

Factory Steel

All MB operations award Factory Steel.png Factory Steel when cleared, with more being given when the player clears the operation for the first time. Mansfield Daily Life operations only awards Factory Steel when cleared for the first time.

Factory Steels can be exchanged for various items in the Secret Channel.

The best Escape Plan operations to farm Factory Steels are MB-6, MB-7, and MB-8 due to their high Sugar Pack.png Sugar Pack, Aketon.png Aketon, and Oriron Cluster.png Oriron Cluster drop rates, respectively.

Be Prepared

The Be Prepared rewards can be claimed until July 13, 2021.

Mission Reward
Clear MB-1.
Factory Steel.png
30
Clear MB-2.
Clear MB-3.
Factory Steel.png
40
Clear MB-3 with 3 stars.
Personal Wash Basin.png
Clear MB-4.
Factory Steel.png
40
Robin icon.png
Clear MB-5.
Factory Steel.png
40
Clear MB-5 with 3 stars.
Factory Steel.png
60
Clear MB-6.
Clear MB-6 with 3 stars.
Exposed Piping.png
Clear MB-7.
Factory Steel.png
80
Clear MB-7 with 3 stars.
Clear MB-8.
Clear MB-8 with 3 stars.
Metal Suspended Ceiling with Fans.png
Clear MB-EX-1.
Factory Steel.png
30
Clear MB-EX-2.
Double Decker Metal Bed.png
Clear MB-EX-3.
Factory Steel.png
30
Clear MB-EX-4.
Factory Steel.png
60
Clear MB-EX-5.
Clear MB-EX-6.
Clear MB-EX-7.
Factory Steel.png
90
Clear MB-EX-8.
Clear MB-EX-8's Challenge Mode.
Plaque - Finest Riches.png
Clear MB operations except MB-TR-1 15 times.
Factory Steel.png
60
Clear MB operations except MB-TR-1 45 times.
Factory Steel.png
80
Clear MB operations except MB-TR-1 85 times.
Factory Steel.png
100

Secret Channel

To buy all items with limited stock from the Secret Channel, the player must spend 6004 Factory Steel.png.

Escape Plans missions give up to 1200 Factory Steel.png while first clear rewards of MB operations give up to 900 Factory Steel.png, thus requiring the player to farm an additional 3904 Factory Steel.png from MB operations.

Unlike previous major side story events, free-to-play players will not have enough Sanity.png Sanity to farm the Factory Steels needed to clear the Secret Channel, even if one saves two Top Emergency Sanity Potion.png Top Emergency Sanity Potion given from Weekly Missions a week prior to the event. If this is the case, then one best prioritizes buying the following items, in the specified order:

  1. All five Robin's Token.png Robin's Token
  2. All Mansfield Prison Cell parts
  3. 3 stocks of Headhunting Permit.png Headhunting Permit
  4. 5 stocks of D32 Steel.png D32 Steel
  5. 10 stocks of RMA70-24.png RMA70-24, White Horse Kohl.png White Horse Kohl, and Sugar Lump.png Sugar Lump
  6. 100 stocks of 5000 LMD.png LMD
  7. 25 stocks of Tactical Battle Record.png Tactical Battle Record
  8. 50 stocks of Strategic Battle Record.png Strategic Battle Record

The Secret Channel is open until July 13, 2021.

Item Price Stock
Robin's Token.png
1
200 Factory Steel.png 1
240 Factory Steel.png
280 Factory Steel.png
320 Factory Steel.png
360 Factory Steel.png
Headhunting Permit.png
1
150 Factory Steel.png 3
D32 Steel.png
1
100 Factory Steel.png 5
RMA70-24.png
1
40 Factory Steel.png 10
White Horse Kohl.png
1
35 Factory Steel.png
Sugar Lump.png
1
30 Factory Steel.png
Half-open Long Bench.png
100 Factory Steel.png 1
Water Containers.png
60 Factory Steel.png
Prison Chair with Handcuffs.png
55 Factory Steel.png
Prison Cell Ceiling Light.png
45 Factory Steel.png
High-capacity Hot Water Kettle.png
30 Factory Steel.png
Crystalline Component.png
1
10 Factory Steel.png 10
Orirock Cluster.png
1
Factory Steel.png 15
LMD.png
5K
Factory Steel.png 100
Strategic Battle Record.png
2
Factory Steel.png 25
Tactical Battle Record.png
2
Factory Steel.png 50
Frontline Battle Record.png
2
Factory Steel.png 120
Skill Summary - 3.png
1
Factory Steel.png 25
Skill Summary - 2.png
1
Factory Steel.png 50
Device.png
1
Factory Steel.png 25
Polyketon.png
1
Polyester.png
1
Factory Steel.png
Specialist Chip
1
Factory Steel.png 4
Furniture Part.png
10
Factory Steel.png 200
LMD.png
20
Factory Steel.png

Outfits

The following outfits are available in the Outfit Store:

New
Old

Furniture

The Mansfield Prison Cell furniture set is available; some of its parts are awarded from completing Be Prepared missions while others are available in the Secret Channel and Furniture Store.

Miscellaneous

Operator Records and Paradox Simulations are introduced for the following Operators:

Operator Operator Record(s) Paradox Simulation
Certain Choices Survivor
The First Step Towards Trust Standing Fast
XXL Honey Biscuit Tips For Beating Up Bad Guys
  1. Heart of A Scholar
  2. Volcano
One-Person Encirclement
On My Way Optimal Field of View
Apples Simulation Scenario 1122K
Cooperation Take Control
Coworkers Don't Let Yourself Freeze
Floral Perfume Hey, Where Is Everyone?
The Way of Shinobi Controlling Distance

As implementing them requires a direct update to the game client, it is important to bind the player's account to avoid data loss and the game have to be manually updated from the Google Play Store/iOS App Store.

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