Contingency Contract Arclight

This article is about the Contingency Contract event. For the song, see Battleplan Arclight.

Contingency Contract #4: Battleplan Arclight

Game mode

In Other Languages

Chinese

危机合约#4「弧光作战」

Release

CN date

2025/08/14 – 2025/08/28

Global date

2026/01/23 – 2026/02/06

Contingency Contract #4: Battleplan Arclight is the eighteenth season of the namesake seasonal event in Arknights.

Operations[edit]

Additional information
Main Test Site	Sky Focus
Rotating Test Sites	Federal Prison • Furnaceside Access Port • Dryreed Morass • Cursed Site
Federal Prison is available from January 23, 2026. Furnaceside Access Port is available from January 27, 2026. Dryreed Morass is available from January 30, 2026. Cursed Site is available from February 2, 2026.

Rating	Information
Centrifuge	In Sky Focus, switch the Gravity atleast 5 times.
Precision Guidiance	In Sky Focus, defeat atleast 2 enemies with Planetary Debris.
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.
Meritorious	Have at least one Operator's DP cost ramped up to at least 90.^{[note 1]}
Traffic Coordinator	In Sky Focus, have no Operators get knocked out by "Crossroads" Production Model/"Crossroads" Prototype.

During the event, all supply operations are available.

The name "Arclight" is also used as a name of one of the playable character in Arknights: Endfield.

↑ Can only be achieved by selecting an Objective: Urgent Contract Test Criteria, as even high-cost Operators cannot have their DP cost exceed 60-70 without it.