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Londinium Secondary Defense Artillery
The Londinium Secondary Defense Artillery is an operation mechanic? in Arknights, introduced in Episode 10.
Overview[edit]
| “ | Once fully charged, deals area True damage to both allies and enemies, centered on the friendly unit with the highest Block. | ” |
| —Description of operations featuring the Londinium Secondary Defense Artillery |
A meter will be shown on the HUD, below the enemy count and Life Point indicator, if the Londinium Secondary Defense Artillery is present in the operation, which slowly fills itself at a rate of 1 every second; the meter has a cap of 120. Yellow exclamation marks will be shown on the meter's sides once it is over 50%, then a reddish smoke will be shown at the edges of the screen once the meter is over 90%. During this time, the Artillery will target the friendly unit with the highest block count who is neither invisible, camouflaged, nor taken off (if there are multiple, the Artillery will target the most recently deployed one), highlighted by a red crosshair and a 3×3 area with 1×3 extensions to all four cardinal directions centered on them is also highlighted with orange borders, showing the Artillery's area-of-effect.
Once the Londinium Secondary Defense Artillery meter is full, the exclamation marks will turn red; if there is at least one valid target on the map, the Artillery will fire, dealing 3000 True damage to all units, both friendly and enemy, within the Artillery's AoE which ignores invisibility, camouflage, and take off, after which the meter resets to 0. Despite the danger the Londinium Secondary Defense Artillery poses to most Operators who does not have enough HP to survive a shot, its use is necessary to effectively deal with Reborn Creations since they will only take a measly 10% Physical and Arts damage, leaving True damage sources (including the Artillery) the most effective way to deal with them.
The Londinium Secondary Defense Artillery meter, close to full
Gravel being targeted by the Londinium Secondary Defense Artillery
The Londinium Secondary Defense Artillery in action
Meter boost[edit]
The following enemies are able to rapidly fill the Londinium Secondary Defense Artillery meter.
| Enemy | Method | Value
|
|---|---|---|
  |
Special ability (lasts 20 seconds, once per operation, used in 5 seconds after spawning) | 1 per second
|
  |
Attack | 1
|
 |
Teekazwurtzen attack |
|
Interactions[edit]
| Enemy | Interaction |
|---|---|
|
If the Artificer is interrupted while channeling their special ability, the Londinium Secondary Defense Artillery meter will be reduced by 15 (cannot be reduced below 0).
|
|
If Manfred is struck by the Londinium Secondary Defense Artillery, he will be Stunned for 8 seconds and his Military Training will be disabled for 30 seconds.
|
Appearances[edit]
| Main Theme | 10-4 • 10-6 • 10-7 • 10-8 • 10-11 • 10-12 • 10-14 • 10-15 • 10-16 • 10-17 • 13-2 • 13-4 • 13-5 • H10-1 • H10-2 • H10-3 • TR-20 |
|---|---|
| Story Collections | AW-1 (Challenge Mode) |
| Annihilation | Burning District |
| Integrated Strategies | Fate's Finale (with  Reality of The End) • Rogue Mercenary • Simulated Skirmish (Emergency Op.)
|
| Contingency Contract | Londinium Outskirts |
| Trials for Navigator | Fissure Strike |
| Paradox Simulation | Horn: Soundeth the Clarion • Humus: "Stern as Steel" |
Trivia[edit]
- In the Story Environment mode, the ATK buff applies to the Londinium Secondary Defense Artillery?, increasing the damage dealt to 6000 which is able to defeat most normal enemies and almost all friendly Operators in one salvo.