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This event is not yet released in the Global server of Arknights; the information are based on community-provided translations which may not represent the official localization, to be updated when the event's Global release is announced.
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CN Lingering Echoes teaser.png

Lingering Echoes is the nineteenth major event and thirteenth Side Story in Arknights.

Release date
CN June 9, 2022 ~ June 23, 2022
Global Early December 2022 (estimated)

Operations

Clear 1-10 to access the LE operations.

Sunset Hall
LE-ST-1
LE-ST-2
LE-ST-3
Deep Alley

Deep Alley operations are available in the second week.

All LE operations are worth 28 Originite Prime icon.png.

Operators

The following Operators will gain 50% extra Trust (except from Annihilation):

Headhunting

The Dissonanzen headhunting banner is featured.

Music Sheets

All LE operations award Music Sheet.png Music Sheet when cleared, with more being given when the player clears the operation for the first time. Deep Alley operations only award Music Sheets when cleared for the first time.

Music Sheets can be exchanged for various items in the Musician's Mailbox.

The best LE operations to farm Music Sheets are LE-5, LE-6, and LE-7 due to their high Sugar Pack.png Sugar Pack, Grindstone.png Grindstone, and Semi-Synthetic Solvent.png Semi-Synthetic Solvent drop rates, respectively.

Spies' Basecamp

The Spies' Basecamp rewards can be claimed until June 30, 2022.

Mission Reward
Clear LE-1.
  • 50 Music Sheet.png
  • 三角茶几
Clear LE-2.
  • 50 Music Sheet.png
  • 焦糖咖啡地毯
Clear LE-3.
  • 50 Music Sheet.png
  • “晚霞”
Clear LE-4.
  • 70 Music Sheet.png
  • “夕照”
Clear LE-5.
Music Sheet.png
70
Czerny icon.png
Clear LE-5 with 3 stars.
Clear LE-6.
  • 80 Music Sheet.png
  • 典雅大提琴箱
Clear LE-6 with 3 stars. 仿古木制音箱
Clear LE-7.
  • 100 Music Sheet.png
  • 错落衣架
Clear LE-7 with 3 stars. “夜幕”
Clear LE-8.
Music Sheet.png
100
Clear LE-8 with 3 stars.
Clear LE-EX-1.
Music Sheet.png
60
Clear LE-EX-2.
Clear LE-EX-3.
Music Sheet.png
80
Clear LE-EX-4.
Clear LE-EX-5.
Clear LE-EX-6.
Clear LE-EX-7.
Music Sheet.png
100
Clear LE-EX-8.
Clear LE-EX-8's Challenge Mode. 饰牌《宽容》
Clear LE operations other than LE-TR-1 and LE-TR-2 15 times.
Music Sheet.png
80
Clear LE operations other than LE-TR-1 and LE-TR-2 45 times.
Music Sheet.png
100
Clear LE operations other than LE-TR-1 and LE-TR-2 85 times.
Music Sheet.png
120

Musician's Mailbox

To buy all items with limited stock from the Musician's Mailbox, the player must spend 4755 Music Sheet.png.

The Musician's Mailbox is open until June 30, 2022.

Item Price Stock
Czerny's Token.png
1
200 Music Sheet.png 1
240 Music Sheet.png
280 Music Sheet.png
320 Music Sheet.png
360 Music Sheet.png
Headhunting Permit.png
1
150 Music Sheet.png 3
Module Data Block.png
2
75 Music Sheet.png 2
Polymerization Preparation.png
1
100 Music Sheet.png 5
Optimized Device.png
1
50 Music Sheet.png 10
Crystalline Circuit.png
1
40 Music Sheet.png
Manganese Trihydrate.png
1
30 Music Sheet.png
舞台地板 50 Music Sheet.png 1
木纹壁纸
“合奏” 40 Music Sheet.png
“阴云” 25 Music Sheet.png 4
“繁星” 15 Music Sheet.png 5
Item Price Stock
Data Patching Device.png
1
15 Music Sheet.png 10
Data Patching Strip.png
1
Music Sheet.png 60
Coagulating Gel.png
1
12 Music Sheet.png 15
Polyester Pack.png
1
Music Sheet.png 10
LMD.png
5K
Music Sheet.png 100
Strategic Battle Record.png
2
Music Sheet.png 25
Tactical Battle Record.png
2
Music Sheet.png 50
Frontline Battle Record.png
2
Music Sheet.png 120
Skill Summary - 3.png
1
Music Sheet.png 25
Skill Summary - 2.png
1
Music Sheet.png 50
Device.png
1
Music Sheet.png 25
Oriron.png
1
Music Sheet.png
Orirock Cube.png
1
Music Sheet.png
Defender Chip
1
Music Sheet.png 6
Furniture Part.png
10
Music Sheet.png 200
LMD.png
20
Music Sheet.png

Outfits

The following outfits are available in the Outfit Store:

New

Furniture

The Twilight District Concert Hall furniture set is available; some of its parts are available from Spies' Basecamp and Musician's Mailbox, while others are available in the Furniture Store.

Miscellaneous

Operator Records/Paradox Simulations

New Operator Records/Paradox Simulations are added for the following Operators:

CVs

New CVs are added for the following Operators:

Operator(s) CN CV EN CV KR CV
Liang Shuang
Xu Chen
Vila
Zhi Mao
Xiao Mi
Muyaqilin
Shisi
Zhang Hong
Miao Yang
Qi Wen
Z-kun
Mang Yin
Ma Yang
Chen Yanyi
Jia Yue
Zhao Yang
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