Contingency Contract Season #4 - Operation Lead Seal - CN Event Page

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Reward Summaries

Permanent Store Additions
Seasonal Store Totals
Period: 2021-01-19 ~ 2021-02-02

Event PV

Contingency Contract Season #4 - Operation Lead Seal


Global event page can be found here:

Translation Credit: Nightsky#3319

Season Period: 16:00, Jan 19th – 03:59, Feb 2nd

Unlock Condition: Clear Story 2-10

If you are new to the CC event, and don't already know what it is, check here for an explanation:

Season Description: During the season, players can battle in the seasonal stages with different combinations of 「Contracts」. Clear the event Missions to collect 「Contract Bounty」 and 「Operation Agreement」.

  • 「Contract Bounty」 can be used to exchange rewards in "Secret Sanctuary" shops
  •  「Operation Agreement」can be used to unlock more Contracts.

Cross-Season "Secret Sanctuary" Store opened

  • New items in the permanent store:

    • ★★★★★ Tuye

    • Tuye Tokens

    • Coral Coast Series -“SUM019.ver” -Castle-3 (Rerun)

    • Season #4 Furniture - "Lead Seal" Flag

  • Season #4 Operation Lead Seal special exchange: High-tier mats, LMD , Furniture Parts, Battle Records, Chips, etc. (for this season only)

  • Season #4 Operation Lead Seal special exchange opening period: 16:00, Jan 19th – 03:59, Feb 2nd


  • Season #4 will remove 2 stages from the previous season and add 1 new permanent stage and 1 daily rotation stage, for a total of 8 stages: 1 permanent stage and 7 challenge stages that will rotate daily. (The time for the challenge stage and corresponding missions for the first day after the event starts will be extended by 1 day)
  • 「Contingency Contract」 does not require Sanity
  • Some 「Contracts」 require reaching a certain "Contract Completion Amount" to unlock. Contract Completion Amount≠Risk Level
  • The permanent stage will have new 「Contracts」 and 「Challenge Missions」added on the second week.
  • After Season #4 ends, unused 「Contract Bounties」 will be kept
  • During Season #4, players can obtain a certain amount of Friend Credits daily by having their support units used by others in the event.
  • During Season #4, players can obtain the season-exclusive plated medal by completing the corresponding mission.

Nian Rerun: [Limited Headhunting · Spring Festival] Series [Earthborn Metals]


Event period: 16:00, Jan 19th – 03:59, Feb 2nd

Event description: During the event period, the following operators will have increased rates in the event recruitment:

Featured Operators:

Rarity Operator
6★ Rate Up Nian - Normal Defneder
Aak - Sacrificial Specialist
5★ Rate Up Hung - Healing Defender
  • 6★ Rate-Ups have a 70% chance of appearing when pulling a 6★
  • 5★ Rate-Ups have a 50% chance of appearing when pulling a 5★
Test out your luck for this banner on our:[Earthborn Metals Retrospection] Summon Simulator!


  • Headhunting [Earthborn Metals] is a [Limited Headhunting · Spring Festival] Series Headhunting
  • [Limited Headhunting · Spring Festival] Series are [Limited Headhunting]
  • Available operators in [Earthborn Metals] rerun will stay the same as the latest [Standard Headhunting]
  • Limited Operator [Nian] in this Headhunting is a [Limited Headhunting · Spring Festival] Limited Operator
  • For players who have pulled in previous [Earthborn Metals], an in-game mail will be sent with the corresponding ratio (1:1) of [Headhunting Data Contract] and can be accumulated with the [Headhunting Data Contract] gained in the retrospection.
  • Please refer to Headhunting Description for further details

[0011 ] Series Skin rerun


Event period: 16:00, Jan 19th – 03:59, Feb 2nd

Event description: The following costumes will be available for sale for a limited time:

Unlimited Access to Supplies and Chip Stages


Event Period: 16:00, Jan 19th – 03:59, Feb 2nd

Event description: During the event period, all material and chip stages will be available everyday.

New Operators Added To Recruitment


Update Time: 1600, Jan 19th

Event Description: The following operators will be permanently added to recruitment in this update:


  • Any existing Recuit tags will have a forced refresh in this update
  • The existing set of recruit tags won't be affect by the update.
  • To prevent unnecessary loss, please hire the recruited characters before update.
  • The new operators won't join any recruitment which is started before the update.

New Medals / Achievements

Gold Medals
Silver Medals
Bronze Medals
[Operator Record] Medals
Operator Trust Medals
Operator Collection Medal
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Arknights: Alyeska#2654

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