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(In-Game) 09.17 (Thu) Event Info

Event Name

Event Period

[Attendance] Eastern Mystic Gley

After the 09.17.2026 (Thu) update - 10.21.2026 (Wed) 23:59 PDT

[Attendance] Karel's Mothership: Phase Conquest Celebration Event

After the 09.17.2026 (Thu) update - 09.30.2026 (Wed) 23:59 PDT

Marksman's Precision Strike Mission

After the 09.17.2026 (Thu) update - 10.14.2026 (Wed) 23:59 PDT

Descendant Rebalance: Luna & Lepic

After the 09.17.2026 (Thu) update - 10.14.2026 (Wed) 23:59 PDT

Descendant's Weekend

09.18.2026 (Fri) 00:00 - 10.11.2026 (Sun) 23:59 PDT

Accelerate Research Week

After the 09.17.2026 (Thu) update - 10.14.2026 (Wed) 23:59 PDT

Greetings, Descendants!

We would like to inform you of the events that will begin after the 09.17 (Thu) update.

Event details can be found in the Game Menu (ESC) > "Event" on the right, or in the "Descendant Mission Board" available via the dedicated shortcut key or the NPC "BB-On."

■ Event 1. [Attendance] Eastern Mystic Gley

When the full moon shines brightly over Albion, a special Bright Moon Feast with Gley begins!

Log in every day to claim special reward items that perfectly match the radiant moon!

- Event Period: After the 09.17.2026 (Thu) update - 10.21.2026 (Wed) 23:59 PDT

Accumulated Logins

Rewards

Day 1

• 1x Currency Supply Box

[1,000,000x Gold and 100,000x Kuiper Shard]

Day 2

• 1x Crystallization Catalyst

Day 3

• 2x Reactor Option Enhancement Box

[100,000x Nano Compound, 100,000x Quantum Crystal]

Day 4

• 30,000x Energy Control Core

Day 5

• 1x Attendance Memento

Day 6

• 50x Dimension Analyzer

Day 7

Ecive Skin "Moon Viewing"

Day 8

Back Attachment "Eastern Folklore"

Day 9

Photo Frame "Eastern Autumn Night"

Day 10

• 1x Growth Support Box III

[Acquire 1 of each: 30% Gold Boost (1-Hour), 30% Kuiper Shard Boost (1-Hour),[/p]

30% Descendant EXP Boost (1-Hour), and 30% Weapon Proficiency Boost (1-Hour)]

Day 11

• Photo Sticker "Traditional Hat"

Day 12

• 1x Attendance Memento

Day 13

• 1x Crystallization Catalyst

Day 14

A-TAMS Weapon Skin "Eastern Traditional Patterns"

Day 15

• 1x Trigger Module Selection Box H

[Choose 1: Battering Ram, Arche Leak, Power Beyond, Gap in Time, Death by a Thousand Cuts, Particle Conversion Emitter, Full Arche Jacket,[/p]

Kuiper Hollow Points, Cyclic Amplifier, Storm Bullet, Tactical Acceleration, Blazing Zone, Supply Fortress, Wave Eruption,

Rhythmic Step, Steel Vanguard, Relative Speed, Domino Drive, Infected Weapon, Ground Eruption, Instant Acceleration,

Kill Chain, Tactical Strike, Two Face, Focus and Expansion, Icebreaker, Overcharge Shield, Tactical Disruption, Bloody Deployment, Firearm Cooling,

Gash, Explosive Aesthetics, Infiltration Mechanism, Current Bonding, Golden Ensemble, Electric Display, Arche Reflux, Arche Blaze,

Perfect Positioning, or Aesthetics of Violation]

Day 16

• 1,000,000x Gold

Day 17

Name Card "Bountiful Harvest Prayer"

Day 18

• 2x Trigger Module Selection Box H

[Choose 1: Battering Ram, Arche Leak, Power Beyond, Gap in Time, Death by a Thousand Cuts, Particle Conversion Emitter, Full Arche Jacket,[/p]

Kuiper Hollow Points, Cyclic Amplifier, Storm Bullet, Tactical Acceleration, Blazing Zone, Supply Fortress, Wave Eruption,

Rhythmic Step, Steel Vanguard, Relative Speed, Domino Drive, Infected Weapon, Ground Eruption, Instant Acceleration,

Kill Chain, Tactical Strike, Two Face, Focus and Expansion, Icebreaker, Overcharge Shield, Tactical Disruption, Bloody Deployment, Firearm Cooling,

Gash, Explosive Aesthetics, Infiltration Mechanism, Current Bonding, Golden Ensemble, Electric Display, Arche Reflux, Arche Blaze,

Perfect Positioning, or Aesthetics of Violation]

Day 19

• 1x Attendance Memento

Day 20

• 1x Crystallization Catalyst

Day 21

Chest Attachment "Moon Projector"

Day 22

• 1x Raven Ancestors Module Selection Box

[Choose 1: Ancestors Module from any Descendant, including Raven]

Day 23

• 1x Superheated Material

Day 24

UI Theme "Bountiful Harvest Prayer"

Day 25

• 1x Ultimate Alignment Device

Day 26

• 1x Attendance Memento

Day 27

• 2x Ultimate Alignment Device

Day 28

• 1x Gley's Eastern Mystic Box

[Gley "Eastern Mystic" Skin]

※ You may receive Attendance Rewards by logging in again after reset (00:00 PDT).

※ Rewards will be sent via mail.

■ Event 2. [Attendance] Karel's Mothership: Phase Conquest Celebration Event

We've prepared special rewards to celebrate the end of Phase 1 of the Karel's Mothership: Phase Conquest Celebration Event!

Log in every day to receive Ancestors Modules and Transcendent Weapon Upgrade Support items!

- Event Period: After the 09.17.2026 (Thu) update - 09.30.2026 (Wed) 23:59 PDT

Accumulated Logins

Rewards

Day 1

• 1x Raven Ancestors Module Selection Box

[Choose 1: Ancestors Module from any Descendant, including Raven]

Day 2

• 1x 30% Transcendent Weapon Acquisition Boost (1-Hour)

Day 3

• 5x Ultimate Alignment Device

Day 4

• 1x 30% Transcendent Weapon Acquisition Boost (1-Hour)

Day 5

• 3x Raven Ancestors Module Selection Box

[Choose 1: Ancestors Module from any Descendant, including Raven]

Day 6

• 1x 30% Transcendent Weapon Acquisition Boost (1-Hour)

Day 7

• 10x Ultimate Alignment Device

※ You may receive Attendance Rewards by logging in again after reset (00:00 PDT).

※ Rewards will be sent via mail.

■ Event 3. Marksman's Precision Strike Mission

The unshakeable Sniper, "Ultimate Hailey," has arrived!

Complete Missions to earn special rewards, including Ultimate Hailey's Transcendent Modules, Makeup, Growth Materials, and more.

- Event Period: After the 09.17.2026 (Thu) update - 10.14.2026 (Wed) 23:59 PDT

[Daily Missions]

Operation Name

Reward Requirements

Rewards

Daily Strike Mission

Complete the Cradle of Evolution 1 time

• 1x Growth Support Box III

[Acquire 1 of each: 30% Gold Boost (1-Hour), 30% Kuiper Shard Boost (1-Hour),[/p]

30% Descendant EXP Boost (1-Hour), and 30% Weapon Proficiency Boost (1-Hour)]

※ Daily Missions reset at 00:00 PDT every day during the event.

[Special Missions]

Operation Name

Reward Requirements

Rewards

Marksman Acquisition Mission

Acquire Ultimate Hailey

• 1x Energy Activator

• 1x Ultimate Hailey Transcendent Module Selection Box

[Choose 1: Transcendent Module from Hailey, Ultimate Hailey, Luna, Ultimate Luna, Lepic, or Ultimate Lepic]

• 1x Photon Imprinter

• Hailey Makeup "Bright Moon"

Marksman Growth Mission I

Assign Module Socket Types to Ultimate Hailey 1 time

• 1x Crystallization Catalyst

Marksman Growth Mission II

Assign Module Socket Types to Ultimate Hailey 3 times

• 1x Crystallization Catalyst

Marksman Growth Mission III

Assign Module Socket Types to Ultimate Hailey 5 times

• 2x Crystallization Catalyst

Marksman Growth Mission IV

Reach Hailey Unique Arche Factor Level 10

• 1x Refined Axium Crystal

Marksman Growth Mission V

Unlock Ultimate Hailey Trigger Modules

• 1x Trigger Module Selection Box I

[Choose 1: Battering Ram, Arche Leak, Power Beyond, Gap in Time, Death by a Thousand Cuts, Particle Conversion Emitter,[/p]

Full Arche Jacket, Kuiper Hollow Points, Cyclic Amplifier, Storm Bullet, Tactical Acceleration,

Blazing Zone, Supply Fortress, Wave Eruption, Rhythmic Step, Steel Vanguard, Relative Speed,

Domino Drive, Infected Weapon, Ground Eruption, Instant Acceleration, Kill Chain, Tactical Strike,

Two Face, Focus and Expansion, Icebreaker, Overcharge Shield, Tactical Disruption, Bloody Deployment, Firearm Cooling, Gash,

Explosive Aesthetics, Infiltration Mechanism, Current Bonding, Golden Ensemble, Electric Display, Arche Reflux,

Arche Blaze, Perfect Positioning, Aesthetics of Violation, or Freezing Breakthrough]

Marksman Growth Mission VI

Acquire Ancestors Modules 8 times

• 1x Raven Ancestors Module Selection Box

[Choose 1: Ancestors Module from any Descendant, including Raven]

Marksman Growth Mission VII

Readjust Ancestors Modules 2 times

• 100x Superconductive Cooling Unit

• 500,000x Gold

• 200,000x Kuiper Shard

Marksman's Precision Strike I

Defeat 5,000 enemies with Ultimate Hailey

• 1x Raven Ancestors Module Selection Box

[Choose 1: Ancestors Module from any Descendant, including Raven]

Marksman's Precision Strike II

Defeat 10,000 enemies with Ultimate Hailey

• 1x Transcendent Alignment Device

※ Special Missions can be completed once during the Event Period.

※ The Mission to Assign Module Socket Types also counts when using a Photon Imprinter. Note that you must move to a different map after Implanting for it to be counted.

※ Rewards will be sent via mail.

■ Event 4. Descendant Rebalance: Luna & Lepic

Experience the new builds of the rebalanced Luna and Lepic and earn a boost to progression!

Complete Missions to receive rewards needed to perfect your build.

- Event Period: After the 09.17.2026 (Thu) update - 10.14.2026 (Wed) 23:59 PDT

[Daily Missions]

Operation Name

Reward Requirements

Rewards

Luna & Lepic Joint Mission I

Complete Void Vessel - Medium-Sized Facility Zone 1 time

• 10x Decryption Key Selection Box

[Choose 1: Decryption Key I or Decryption Key II]

• 30x Archive Shards

Luna & Lepic Joint Mission II

Complete Void Vessel - Medium-Sized Facility Zone 2 times

• 1x Amorphous Material Pattern: Ultimate Luna

• 1x Special Synthetic Calcium

• 100x Info Grid Tokens

※ Daily Missions reset at 00:00 PDT every day during the event.

[Special Missions]

Operation Name

Reward Requirements

Rewards

Luna & Lepic Growth Mission I

Purchase a Module from the NPC "Silion" 1 time

• 30x Archive Shards

• 1x Hailey Transcendent Module Selection Box

[Choose 1: Transcendent Module from Hailey, Ultimate Hailey, Luna, Ultimate Luna, Lepic, or Ultimate Lepic]

Luna & Lepic Growth Mission II

Reach Luna or Lepic Unique Arche Factor Level 10

• 1x Axium Research Materials Box

[Choose and acquire 50 of 1: Entropium, Kerasid, Silentra, or Breach Stone Shard]

Luna & Lepic Growth Mission III

Unlock Luna or Lepic Trigger Modules

• 1x Trigger Module Selection Box H

[Choose 1: Battering Ram, Arche Leak, Power Beyond, Gap in Time, Death by a Thousand Cuts,[/p]

Particle Conversion Emitter, Full Arche Jacket, Kuiper Hollow Points,

Cyclic Amplifier, Storm Bullet, Tactical Acceleration, Blazing Zone, Supply Fortress, Wave Eruption,

Rhythmic Step, Steel Vanguard, Relative Speed, Domino Drive, Infected Weapon,

Ground Eruption, Instant Acceleration, Kill Chain, Tactical Strike, Two Face, Focus and Expansion, Icebreaker,

Overcharge Shield, Tactical Disruption, Bloody Deployment, Firearm Cooling, Gash, Explosive Aesthetics,

Infiltration Mechanism, Current Bonding, Golden Ensemble, Electric Display, Arche Reflux,

Arche Blaze, Perfect Positioning, or Aesthetics of Violation]

Luna & Lepic Growth Mission IV

Enhance a Non-Attribute Reactor to +4

• 80x Dimension Analyzer

Luna & Lepic Growth Mission V

Enhance a Fire Reactor to +4

• 80x Dimension Analyzer

Luna & Lepic Sortie Mission I

Defeat 5,000 enemies with Luna or Lepic

• 1x Raven Ancestors Module Selection Box

[Choose 1: Ancestors Module from any Descendant, including Raven]

Luna & Lepic Sortie Mission II

Defeat 10,000 enemies with Luna or Lepic

• 1x Transcendent Alignment Device

※ Special Missions can be completed once during the Event Period.

※ Rewards will be sent via mail.

■ Event 5. Descendant's Weekend

Experience special boost effects applied every weekend and become even stronger!

- Event Period: 09.18.2026 (Fri) 00:00 - 10.11.2026 (Sun) 23:59 PDT

Event Application Period

09.18.2026 (Fri) 00:00 - 09.20.2026 (Sun) 23:59 PDT

09.25.2026 (Fri) 00:00 - 09.27.2026 (Sun) 23:59 PDT

10.02.2026 (Fri) 00:00 - 10.04.2026 (Sun) 23:59 PDT

10.09.2026 (Fri) 00:00 - 10.11.2026 (Sun) 23:59 PDT

Content

Applied Boost

Karel's Mothership (Any Difficulty)

Descendant EXP, Weapon Proficiency, and Unique Arche Factor EXP Gain +20%

Infiltration Operations (Any Difficulty)

Sigma Sector (Any Difficulty)

Special Operation (Any Difficulty)

Gold & Kuiper Shard Gain +20%

Breach Tracking

※ Boost effects will be applied when playing the above content during the Event Period.

※ Can be stacked with effects from other boosts.

※ Event Boost effects do not apply to Today’s Bonus or Amorphous Dimensional Stone rewards.

■ Event 6. Accelerate Research Week

Completing Accelerate Research content reduces the time of ongoing research.

Play the game and complete your research faster!

- Event Period: After the 09.17.2026 (Thu) update - 10.14.2026 (Wed) 23:59 PDT

Application Period

Event Effect

Mon 00:00 - Thu 23:59 PDT

Applies a 50% Acceleration effect

Fri 00:00 - Sun 23:59 PDT

Applies a 100% Acceleration effect

※ The Accelerate Research effect stacks with other Research boost effects.

※ Accelerate Research content and time reduction may vary with each event,

Detailed information for each piece of content can be checked through Anais in Albion or the Info button on the World Map.

■ Event Precautions

※ Please check the timeline of each event to participate.

※ If server maintenance is performed on the final day of the event, the event will end when maintenance begins.

※ Rewards sent via mail will arrive in your Mailbox within 10 minutes of being claimed.

※ Please be sure to claim event rewards sent to your Mailbox before they expire.

※ Items earned through Events may be provided in a different manner in the future.

Thank you.

Build and release context

Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.

  • Build 25330276 · public branch

    Steam updated · First observed