Greetings, Rune Hunters.

Maintenance has been completed and UNDECEMBER is now available to play.

Please refer to the following information for details.

[Oct. 2 Scheduled Maintenance Completed]

1. Maintenance Schedule

: Oct.2 (Thu) 07:00 - 16:26 (UTC+9)

2. Maintenance Details

1) Added Souls of Abundant Spirit Event

2) Added new products and packages

3) Changed boss monster levels in Descend Raid

└ Hard Mode (115 → 125)

4) Improvements and Other Changes

■ Issue Fixes

- Fixed an issue where the chain lightning effect was triggered when equipping the Unique Gear [Acuben's Punishment] on Lacrima.

- Fixed an issue where the Returning Attendance Book was not displayed for some returning accounts.

※ For other fixes, please refer to the “Oct Bug Fixes and Known Issues in UNDECEMBER”

■ Improvements

- The scope of items that display a warning message when discarded, decomposed, or sold has been expanded.

3. Ending Events Notice

1) Lucky Ddakji Draw Event

2) Starlight Coin Shop Event

※ Any unused “Ddakji Draw Coins” and “Starlight Coins” will be deleted after the maintenance.

4. Maintenance Compensation

: Gemstone of Courage x 3,000

: Gold x 300,000

: Croco's Precious Fragment x 3

* You can claim the compensation from your mailbox after the Oct. 2 (Thu) maintenance until Oct. 2 (Thu) 23:59 (UTC+9).

* Maintenance compensation will only be sent once per account for both modes, and the mail will be stored for 3 days (72 hours).

┗ You can only claim the compensation from either Standard or Season Mode.

* Maintenance compensation can only be claimed by accounts created before the maintenance.

Compensation cannot be claimed by accounts that were created after the maintenance.

* The Zodiac Walker effect's duration is not affected during maintenance.

5. Extended Maintenance Compensation 1

: Gemstone of Courage x 10,000

: Gold x 1,000,000

: Croco's Precious Fragment x 15

* You can claim the compensation from your mailbox after the Oct. 2 (Thu) maintenance until Oct. 2 (Thu) 23:59 (UTC+9).

* Maintenance compensation will only be sent once per account for both modes, and the mail will be stored for 3 days (72 hours).

┗ You can only claim the compensation from either Standard or Season Mode.

* Maintenance compensation can only be claimed by accounts created before the maintenance.

6. Extended Maintenance Compensation 2

: [Exclusive] Divine - Ancient Gear Essence Selection Chest x 1

: Zodiac Sprinter Subscription (3 Days) × 1

: Costume Summon Ticket (Costume) ×1

: [Mid-Autumn] Event Chest ×5

* Special rewards can be claimed via Mail from Oct. 2 (Thu) 2025 after maintenance – Oct. 12 (Sun) 2025, 23:59 (UTC+9).

* Special rewards will be given once per account across both modes, and mails will be stored for 3 days (72 hours).

┗ Rewards can be claimed in either Standard or Season Mode, but not both.

* Special rewards are only available to accounts created before maintenance begins, and cannot be claimed by accounts created after maintenance ends.

Thank you for waiting for the maintenance to be completed.

We will always strive to maintain the quality and reliability of our services.

Thank you.

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Greetings, Rune Hunters.

We would like to inform you that UNDECEMBER will undergo scheduled maintenance on Oct.2 (Thu) to provide even more reliable game services.

Please see below for more details on the maintenance schedule.

[Oct.2 Scheduled Maintenance]

1. Maintenance Schedule

: Oct.2 (Thu) 07:00 - 12:00 14:00 15:00 15:30 16:30 (UTC+9)

2. Maintenance Details

1) Added Souls of Abundant Spirit Event

2) Added new products and packages

3) Changed boss monster levels in Descend Raid

└ Hard Mode (115 → 125)

4) Improvements and Other Changes

■ Issue Fixes

- Fixed an issue where the chain lightning effect was triggered when equipping the Unique Gear [Acuben's Punishment] on Lacrima.

- Fixed an issue where the Returning Attendance Book was not displayed for some returning accounts.

※ For other fixes, please refer to the “Oct Bug Fixes and Known Issues in UNDECEMBER”

■ Improvements

- The scope of items that display a warning message when discarded, decomposed, or sold has been expanded.

3. Ending Events Notice

1) Lucky Ddakji Draw Event

2) Starlight Coin Shop Event

※ Any unused “Ddakji Draw Coins” and “Starlight Coins” will be deleted after the maintenance.

4. To Note

■ The maintenance schedule may change depending on circumstances.

■ Gameplay will be unavailable during maintenance, so please exit the game in a safe zone before maintenance begins.

■ Please note that you will not be able to enter the Auction House, Constellation of Time, Arena, Chaos Dungeons, and Eunos Dungeons for 10 minutes before and after the patch.

We hope the information above will help you avoid any inconvenience as you play the game.

Thank you.