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Dossoles Holiday is now live to commemorate the Global/EN server's 2nd anniversary! Check out the DH article for more information.

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1st Anniversary Celebration is an event to commemorate the first anniversary of the Global/EN server of Arknights, which also includes the release of Episode 07.

Release date
Global/EN December 30, 2020 ~ January 30, 2021
(Part 2 starts from January 2, 2021)
TW May 27, 2021 ~ June 10, 2021

Operations

EN Episode 7 The Birth of Tragedy banner.png

The Inferno Mode operations (H7-1 to H7-4) are available from the event's second week (January 6, 2021).

Operator

Savage will be given for free to players who didn't have her (through an in-game mail) by signing in for the first time until January 29, 2021; those who already have her will receive a Savage's Token.png Savage's Token to improve her potential instead.

Guerrilla Badge

From Part 2 until January 16, 2020, collect Guerrilla Squad Member Badge.png Guerrilla Squad Member Badge to claim various rewards by completing Daily and Event Missions:

300 Guerrilla Squad Member Badge.png
Tactical Battle Record.png
20
600 Guerrilla Squad Member Badge.png
Skill Summary Volume 2.png
10
900 Guerrilla Squad Member Badge.png
Recruitment Permit.png
5
1200 Guerrilla Squad Member Badge.png
Epic Guard Token.png
1
1500 Guerrilla Squad Member Badge.png
Strategic Battle Record.png
10
1800 Guerrilla Squad Member Badge.png
Manganese Ore.png
5
2100 Guerrilla Squad Member Badge.png
Pure Gold.png
20
2400 Guerrilla Squad Member Badge.png
Epic Guard Token.png
1
2700 Guerrilla Squad Member Badge.png
Furniture Part.png
200
3000 Guerrilla Squad Member Badge.png
Skill Summary Volume 3.png
10
3200 Guerrilla Squad Member Badge.png
Grindstone.png
5
3400 Guerrilla Squad Member Badge.png
Epic Guard Token.png
1
3600 Guerrilla Squad Member Badge.png
Dreadnaught
3800 Guerrilla Squad Member Badge.png
Loxic Kohl.png
5
4000 Guerrilla Squad Member Badge.png
Top Emergency Sanity Potion.png
1
4200 Guerrilla Squad Member Badge.png
Epic Guard Token.png
1
4400 Guerrilla Squad Member Badge.png
RMA70-12.png
1
4600 Guerrilla Squad Member Badge.png
Chip Catalyst.png
1
4800 Guerrilla Squad Member Badge.png
LMD.png
30K
5000 Guerrilla Squad Member Badge.png
Oriron Block.png
1

Each excess Guerrilla Squad Member Badge will be converted into 20 LMD icon.png at the end of the event (given as an in-game mail).

Missions

Daily

During the event, the rewards for Daily Missions are changed to the following:

Set Reward
#0
LMD.png
500
#1
Drill Battle Record.png
3
#2
LMD.png
1K
Skill Summary Volume 1.png
2
#3
Guerrilla Squad Member Badge.png
40
#4
Recruitment Permit.png
1
Drill Battle Record.png
5
#5
LMD.png
2K
Carbon Stick.png
3
Set Reward
#6
Guerrilla Squad Member Badge.png
50
#7
Expedited Plan.png
1
Frontline Battle Record.png
5
#8
Orundum.png
100
#9
Shop Voucher.png
5
Furniture Part.png
600
#10
Guerrilla Squad Member Badge.png
60

Event

Mission Reward
Spend a total of 600 Sanity icon.png.
Guerrilla Squad Member Badge.png
50
Spend a total of 1200 Sanity icon.png.
Guerrilla Squad Member Badge.png
100
Spend a total of 1800 Sanity icon.png.
Guerrilla Squad Member Badge.png
150
Have Operators gain a total of 35000 EXP.
Guerrilla Squad Member Badge.png
50
Have Operators gain a total of 70000 EXP.
Guerrilla Squad Member Badge.png
100
Have Operators gain a total of 100000 EXP.
Guerrilla Squad Member Badge.png
150
Spend a total of 60000 LMD icon.png on Operators' upgrades and promotions.
Guerrilla Squad Member Badge.png
50
Spend a total of 120000 LMD icon.png on Operators' upgrades and promotions.
Guerrilla Squad Member Badge.png
100
Spend a total of 200000 LMD icon.png on Operators' upgrades and promotions.
Guerrilla Squad Member Badge.png
150
Spend 800 Credit icon.png in the Credit Store.
Guerrilla Squad Member Badge.png
50
Spend 1600 Credit icon.png in the Credit Store.
Guerrilla Squad Member Badge.png
100
Spend 2400 Credit icon.png in the Credit Store.
Guerrilla Squad Member Badge.png
150
Send 4 Clues to friends.
Guerrilla Squad Member Badge.png
50
Send 8 Clues to friends.
Guerrilla Squad Member Badge.png
100
Send 12 Clues to friends.
Guerrilla Squad Member Badge.png
150
Defeat a total of 1000 enemies in Annihilation missions during the assignment period.
Guerrilla Squad Member Badge.png
50
Defeat a total of 2000 enemies in Annihilation missions during the assignment period.
Guerrilla Squad Member Badge.png
100
Defeat a total of 3000 enemies in Annihilation missions during the assignment period.
Guerrilla Squad Member Badge.png
150
Clear any Main Theme stages 20 time(s). Stages that cost Sanity icon.png do not count.
Guerrilla Squad Member Badge.png
50
Clear any Main Theme stages 40 time(s). Stages that cost Sanity icon.png do not count.
Guerrilla Squad Member Badge.png
100
Clear any Main Theme stages 60 time(s). Stages that cost Sanity icon.png do not count.
Guerrilla Squad Member Badge.png
150
Clear any Supply stage(s) 8 time(s).
Guerrilla Squad Member Badge.png
50
Clear any Supply stage(s) 16 time(s).
Guerrilla Squad Member Badge.png
100
Clear any Supply stage(s) 24 time(s).
Guerrilla Squad Member Badge.png
150
Defeat a total of 3000 enemies.
Guerrilla Squad Member Badge.png
50
Defeat a total of 6000 enemies.
Guerrilla Squad Member Badge.png
100
Defeat a total of 10000 enemies.
Guerrilla Squad Member Badge.png
150
Use Recruitment 10 times.
Guerrilla Squad Member Badge.png
50
Use Recruitment 25 times.
Guerrilla Squad Member Badge.png
100
Use Recruitment 40 times.
Guerrilla Squad Member Badge.png
150
Assign 100 Operators to restore Morale in the Dormitory.
Guerrilla Squad Member Badge.png
50
Assign 200 Operators to restore Morale in the Dormitory.
Guerrilla Squad Member Badge.png
100
Assign 300 Operators to restore Morale in the Dormitory.
Guerrilla Squad Member Badge.png
150
Complete 50 orders.
Guerrilla Squad Member Badge.png
50
Complete 100 orders.
Guerrilla Squad Member Badge.png
100
Complete 150 orders.
Guerrilla Squad Member Badge.png
150
Produce 100 Pure Gold in the Factory.
Guerrilla Squad Member Badge.png
50
Produce 200 Pure Gold in the Factory.
Guerrilla Squad Member Badge.png
100
Produce 300 Pure Gold in the Factory.
Guerrilla Squad Member Badge.png
150
Conduct 1 Clue Exchanges during this event.
Guerrilla Squad Member Badge.png
50
Conduct 2 Clue Exchanges during this event.
Guerrilla Squad Member Badge.png
100
Conduct 3 Clue Exchanges during this event.
Guerrilla Squad Member Badge.png
150
Interact with Operators in the Base to increase their trust 60 time(s).
Guerrilla Squad Member Badge.png
50
Interact with Operators in the Base to increase their trust 120 time(s).
Guerrilla Squad Member Badge.png
100
Interact with Operators in the Base to increase their trust 180 time(s).
Guerrilla Squad Member Badge.png
150

Sign-In event

From Part 2 until January 30, 2020, sign in to the game for 14 days to claim the following rewards.

Day 1
Originite Prime.png
1
Top Emergency Sanity Potion.png
1
THRM-EX icon.png
Day 2
Originite Prime.png
1
Top Emergency Sanity Potion.png
1
LMD.png
40K
Day 3
Originite Prime.png
1
Top Emergency Sanity Potion.png
1
Strategic Battle Record.png
30
Day 4
Originite Prime.png
1
Top Emergency Sanity Potion.png
1
Optimized Device.png
2
Day 5
Originite Prime.png
1
Top Emergency Sanity Potion.png
1
Chip Catalyst.png
2
Day 6
Originite Prime.png
1
Top Emergency Sanity Potion.png
1
Furniture Part.png
200
Day 7
Originite Prime.png
1
Top Emergency Sanity Potion.png
1
Commemorative Anniversary Wall Lamp.png
Day 8
Originite Prime.png
1
Top Emergency Sanity Potion.png
1
Skill Summary Volume 2.png
10
Day 9
Originite Prime.png
1
Top Emergency Sanity Potion.png
1
Commemorative Anniversary Carpet.png
Day 10
Originite Prime.png
1
Top Emergency Sanity Potion.png
1
White Horse Kohl.png
3
Day 11
Originite Prime.png
1
Top Emergency Sanity Potion.png
1
Commemorative Anniversary Bed.png
Day 12
Originite Prime.png
1
Top Emergency Sanity Potion.png
1
Orirock Concentration.png
5
Day 13
Originite Prime.png
1
Top Emergency Sanity Potion.png
1
Furniture Part.png
200
Day 14
Originite Prime.png
1
Top Emergency Sanity Potion.png
1
Fresh Fastener

Headhunting

The first Celebration limited headhunting banner, Cremation Last Wish, is featured, which also introduces the Spark system for limited headhunting banners (see the Headhunting article for details).

  • A single Awakening Commemoration Permit.png Awakening Commemoration Permit can be claimed (one time only) while the Cremation Last Wish banner is up.
  • Every day, the player can perform one headhunting pull for free at the Cremation Last Wish banner. Note that the free pulls do not stack, so it must be used before the daily reset!

Recruitment

The following Operators are added to the recruitment pool:

Because of this, the following tag combinations' rates are adjusted to accomodate the additions:

  • Common
    • Guard/Melee + AoE, Melee + Guard + AoE (now results in Popukar, Estelle, or Specter)
    • Defender/Defense + Healing, Melee + Healing, Melee + Defense/Defender + Healing (now results in Spot, Gummy, or Nearl)
    • Sniper + AoE (now results in Catapult, ShiraYuki, or Meteorite)
  • Uncommon
  • Rare
    • Caster + Healing, Caster + DPS + Healing/Slow, Caster/DPS/Ranged + Healing + Slow, Ranged + DPS + Healing (now guarantees Nightmare)
    • Melee + Nuker, Melee + Nuker + Robot, Specialist + Nuker/Robot (now guarantees THRM-EX; the recruitment time must be set to at most 3:50)
    • Top Operator + Nuker, Top Operator + Guard/DPS/Melee + Nuker (now guarantees Ch'en)
    • Top Operator + Survival, Top Operator + Guard/DPS/Melee + Survival (now guarantees Skadi)

Also, all current tags will be refreshed once the recruitment pool are updated!

Store

The double bonus for Originite Prime.png Originite Prime packs will be reset from the start of the event.

The following two packs are available in the Packs Store:

Item Content Price
Doctor's Choice Pack
Top Operator Transfer Permit.png
Ten-roll Headhunting Permit.png
1
$29.99
Rhodes Island Anniversary Pack
Originite Prime.png
90
Ten-roll Headhunting Permit.png
1
LMD.png
200K
Chip Catalyst.png
4
Strategic Battle Record.png
20
Tactical Battle Record.png
50
Frontline Battle Record.png
100
Skill Summary Volume 3.png
20
Skill Summary Volume 2.png
50
$49.99
Note: Both packs can only be purchased once.

Outfits

The following outfits are available in the Outfit Store:

Furniture

The Sarkaz Mercenary Lounge furniture set is available in the Furniture Store.

Miscellaneous

Daily and chip operations

Until January 13, 2021, all daily and chip operations are available every day.

Special Drop

From Part 2 until January 16, 2021, all operations (except Annihilation) will have one of the following Special Drops:

New Year's Gift

Sign in on the first three days of 2021 to claim the following rewards.

January 1
D32 Steel.png
3
Orundum.png
3K
January 2
Bipolar Nanoflake.png
3
Strategic Battle Record.png
30
January 3
Polymerization Preparation.png
3
LMD.png
60K
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