Multivariate Cooperation Defence Protocols
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| Event | Overview | Intro |
| This event has been released in the Global server of Arknights. As such, the content of this page and the related subpages have been archived. |
Multivariate Cooperation: Defence Protocols
EN
CN
Type
Special event
In Other Languages
Simplified Chinese
罗德岛防御协议
Traditional Chinese
羅德島防禦協議
Japanese
ロドス防衛協定
Korean
디펜스 프로토콜
Release
Concurrent with Operation Originium Dust
Multivariate Cooperation: Defence Protocols is a special event and the first co-operative multiplayer instance in Arknights, revolving around players working together to prevent enemies from going through the joint battlefield.
Operations[edit]
Clear OD-1 to access M.C. operations.
| Old Plate Ruins • Ancient Ruined Tower • Abandoned Factory |
Special terrain[edit]
Special devices[edit]
Special enemies[edit]
| Normal |    |
|---|---|
| Elite |   |
Engineering Test Indicators[edit]
| Mission | Reward | |
|---|---|---|
| Destroy 50 Mobile Power Sources across multiple clears of all M.C. operations. |
| |
| Clear Old Plate Ruins in Normal Test Mode. |
| |
| Clear Old Plate Ruins in High-Pressure Test Mode. |
| |
| Clear Old Plate Ruins in High-Pressure Test Mode 3 times. |
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| Clear Old Plate Ruins in High-Pressure Test Mode after using Pulse Defense Modules at least 6 times. |
| |
| Clear Old Plate Ruins in Challenge Test Mode 3 times. |
| |
| Clear Old Plate Ruins in Challenge Test Mode after using Pulse Defense Modules at least 3 times. |
| |
| Clear Ancient Ruined Tower in Normal Test Mode. |
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| Clear Ancient Ruined Tower in High-Pressure Test Mode. |
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| Destroy 25 Cheap/Remodeled Second-hand Drones across multiple clears of Ancient Ruined Tower. |
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| Destroy 8 Mudrock Colossi across multiple clears of Ancient Ruined Tower. |
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| Clear Ancient Ruined Tower in High-Pressure Test Mode after using at least 8 Snowsant's Safe Escape Cranes/Mr. Booms given by Cheap Second-hand Drones. |
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| Clear Ancient Ruined Tower in Challenge Test Mode. |
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| Clear Ancient Ruined Tower in Challenge Test Mode 3 times. |
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| Clear Ancient Ruined Tower in Challenge Test Mode after using at least 5 Snowsant's Safe Escape Cranes/Mr. Booms given by Remodeled Second-hand Drones. |
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| Clear Abandoned Factory in Normal Test Mode. |
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| Clear Abandoned Factory in High-Pressure Test Mode. |
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| Clear Abandoned Factory in High-Pressure Test Mode after closing Teargas Control Valves at least 5 times. |
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| Destroy 25 Retrofitted Gastrucks across multiple clears of Abandoned Factory in Normal or High-Pressure Test Mode. |
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| Clear Abandoned Factory in Challenge Test Mode. |
| |
| Destroy 8 Supercharged Gastrucks across multiple clears of Abandoned Factory in Challenge Test Mode. |
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