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Episode 12

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This article is about the episode itself. For the episode's release event, see All Quiet Under the Thunder.
Episode 12: All Quiet Under the Thunder
Episode 12.png
Story arc
Act II: Shadow of a Dying Sun
Previous
Etymology
In Other Languages
Simplified Chinese
惊霆无声
Traditional Chinese
驚霆無聲
Japanese
きょうれきしょうぜん
Korean
천둥 속의 고요
Release Dates
CN
2023/04/06
Global
2023/10/24
TW
2024/02/22

The twelfth episode of Arknights's Main Theme is titled All Quiet Under the Thunder.

Operations[edit]

All operations are worth 44 Originite Prime icon.png.

Main[edit]

Operation Cost Regular drop Special drop

12-1
Interlude
INTERLUDE

TR-22
Tutorial

12-2 21 Sanity icon.png
Guaranteed
LMD.png

12-3 21 Sanity icon.png
Rare
Crystalline Component.png
Very Rare
Crystalline Circuit.png

12-4 21 Sanity icon.png
Rare
Aketon.png
Very Rare
Keton Colloid.png

12-5 21 Sanity icon.png
Rare
Coagulating Gel.png
Very Rare
Polymerized Gel.png

12-6 21 Sanity icon.png
Rare
Loxic Kohl.png
Very Rare
White Horse Kohl.png

12-7 24 Sanity icon.png
Rare
RMA70-12.png
Very Rare
RMA70-24.png

TR-23
Tutorial

12-8 21 Sanity icon.png
Rare
Grindstone.png
Very Rare
Grindstone Pentahydrate.png

12-9 21 Sanity icon.png
Guaranteed
Tactical Battle Record.png

12-10 21 Sanity icon.png
Rare
Semi-Synthetic Solvent.png
Very Rare
Refined Solvent.png

12-11
Interlude
INTERLUDE

12-12 21 Sanity icon.png
Rare
Incandescent Alloy.png
Very Rare
Incandescent Alloy Block.png

12-13 24 Sanity icon.png
Rare
Transmuted Salt.png
Very Rare
Transmuted Salt Agglomerate.png

12-14 21 Sanity icon.png
Rare
Sugar Pack.png
Very Rare
Sugar Lump.png

12-15 21 Sanity icon.png
Uncommon
Orirock Cluster.png
Very Rare
Orirock Concentration.png

12-16

12-17 21 Sanity icon.png
Rare
Compound Cutting Fluid.png
Very Rare
Cutting Fluid Solution.png

12-18 21 Sanity icon.png
Rare
Polyester Pack.png
Very Rare
Polyester Lump.png

12-19 24 Sanity icon.png
Rare
Crystalline Component.png
Very Rare
Crystalline Circuit.png

12-20
BOSS
24 Sanity icon.png
Rare
Aketon.png
Very Rare
Keton Colloid.png

12-21
Interlude
INTERLUDE

Extreme Mode[edit]

Operation Cost

H12-1
BOSS
10 Sanity icon.png

H12-2 10 Sanity icon.png

H12-3
BOSS
10 Sanity icon.png

H12-4
BOSS
10 Sanity icon.png

Additions[edit]

New devices: Roadside Emergency Reserves

New enemies:

Normal
Norport Civilian
Pathfinder Spy
Pathfinder Spymaster
Sentry Spy
Sentry Spymaster
Sarkaz Absurdist Operative
Sarkaz Absurdist Operative Leader
Sarkaz Absurdist Splitcaster Apprentice
Sarkaz Absurdist Splitcaster
Elite
Norport Spy
Armed Spy
Armed Spymaster
Sarkaz Absurdist Tyrant
Sarkaz Absurdist Tyrant Captain
Rebellion Instigator
Rebellion Agitator
Withering Collector Disciple
Decaying Collector Disciple
"Trilby Asher"
"Shadowing Trilby Asher"
Deconstructed Distortion
Boss
Eblana
"Damazti Cluster"

Trivia[edit]

  • Episode 12's Extreme Mode operations are named after Astrape, a goddess of lightning and one of Zeus' shieldbearers in Greek mythology, reflecting the episode's title, "All Quiet Under the Thunder".

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