Contingency Contract Underdawn
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Arknights Official Trailer - Contingency Contract Season #2 Battleplan Underdawn
| Season | Missions | Cryst. Sanct. | Medals | BGM | OST |
| This Contingency Contract season has been released in the Global server of Arknights. As such, the content of this page and the related subpages have been archived. |
- This article is about the Contingency Contract event. For the song, see Battleplan Underdawn.
Contingency Contract #2: Battleplan Underdawn
EN
CN
Game mode
Previous
In Other Languages
Chinese
危机合约 #2「潮曦作战」
Japanese
危機契約#2 作戦コード「潮曦」
Korean
위기협약 #2 - 언더던 작전
Release
Global date
September 26, 2024 – October 10, 2024
CN date
March 28, 2024 – April 11, 2024
TW date
February 6, 2025 – February 20, 2025
Contingency Contract #2: Battleplan Underdawn is the sixteenth season of the namesake seasonal event in Arknights.
Operations
| Main Test Site | Immortal Hall |
|---|---|
| Rotating Test Sites | Dryreed Morass • Fortified Pass • Moonfall Alley • Research Base Quarantine Zone |
| Additional information | |
| |
Sanctuary Ratings
| Rating | Information |
|---|---|
| Shattertide's Chosen | In Immortal Hall, do not allow more than 10 tiles to be infested with Nethersea Brands. |
| Brave the Nethersea | In Immortal Hall, have at least 3 friendly units on Nethersea Brands. |
| Tough Frontline | Score 60 Strategy points. |
| Stalwart Frontline | Score 130 Strategy points. |
| Precise Strike | Score 110 Technique points. |
| Pinpoint Accuracy | Score 220 Technique points. |
| Ingenious Strategist | Score 110 Emergency Response and Dispatch points combined. |
| Flexible Responder | Score 210 Emergency Response and Dispatch points combined. |
| Proper Assignment | Deploy Operators no more than 9 times. |
| The More The Merrier | Deploy Operators at least 20 times. |
| Human Wave | Deploy Operators at least 30 times. |
| Sniper Ops Expert | Have at least 4 Snipers in the squad. |
| Arts Ops Expert | Have at least 4 Casters in the squad. |
| Melee Ops Expert | Have at least 4 Guards in the squad. |
| Support Ops Expert | Have at least 4 Supporters in the squad. |
| Assault Ops Expert | Have at least 4 Vanguards in the squad. |
| Specialist Ops Expert | Have at least 4 Specialists in the squad. |
| Medic Ops Expert | Have at least 4 Medics in the squad. |
| Defender Ops Expert | Have at least 4 Defenders in the squad. |
| Highly Efficient | Have 10 or less DP remaining when the operation is cleared. |
| Ocean Symbiont | In Immortal Hall, let Nethersea Brands infest every single low ground tile on the map.[note 1] |
Operators
Headhunting
- Main article: Headhunting/Banners/Former-2024
The fourteenth Joint Operation headhunting banner is featured.
Store
The following packs are available in the Packs Store, which can only be purchased once per account:
| Pack | Content | Price |
|---|---|---|
Crisis Averting Supplies  |
 12 |
US$4.99 |
Crisis Averting Funding Box  |
 16  700K |
US$9.99 |
Crisis Averting Data Box  |
 90  30 24 |
US$9.99 |
Miscellaneous
During the event, all supply operations are available.
Media
Notes
- ↑ Immortal Hall has a total of 33 low ground tiles where Nethersea Brands can spread onto;
Environment: Submersion (Bottom) must be selected to ensure that the Nethersea Brand covers the whole map.