Greetings, Rune Hunters.

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

Please refer to the following information for details.

[Jun. 9 Scheduled Maintenance Completed]

1. Maintenance Schedule

: Jul. 9 (Thu) 07:00 - 13:00 12:47 (UTC+9)

2. Maintenance Details

1) New event 2 types begin

1. Lucky Ddakji Draw Event
2. Playtime Reward Ticket Exchange Shop

2) Added 3 new costumes and Beauty items

3) Added new Transcendent Link Runes

4) Added new Unique Gear

5) Skill, Link Rune / Zodiac balance adjustment

6) Added new items and packages

7) Improvements and Others

 ■ Improvements

 1) Treasure Chest improvement

 - Treasure Chest icons will be displayed on the Minimap and regional map.

1.  The same icon is displayed regardless of the treasure chest grade.

 2) Potion improvements

 - Potion effects will no longer disappear upon entering the Void Rift.

 - Potion cooldown will not be reset upon entering the Void Rift.

 - Cooldown of Fountain of Wisdom Potion will be reset upon death in the field.

 3) Auction House

 - The number of searchable options in the Auction House will be increased from the existing 6.

 4) Crafting

 - [The Forge] option crafting will have [The Forge] notation added to crafting success rate and result window.

 ■ Fixed an issue

 - Fixed an issue where the Support button in Settings > Customer Support does not work on mobile iOS.

 - Fixed an issue where weapons with the '[The Forge] Additional element DMG by % of DMG per hit' option equipped in Lacrima were not reflected in the character's stat info.

 - Fixed an issue where characters could get stuck in terrain or leave the map at a specific location in stage 17 during Abyss Gate.

 - Fixed an issue where Unique Gear was granted as non-tradable when using the Standard Bonus Chest.

 ※ If the non-tradable status of acquired Unique Gear in the Auction House is removed, the consumed Trading Key will be reissued.

 - Fixed an issue where more than 6 Unique Gears could be registered in the [Unique Synthesis] feature.

 - Fixed an issue where the Area of Effect of the Bloodshed Skill Rune Domain of Blood did not increase.

 - Fixed an issue where Unique Gear [Critical Point Venom Sac] and Abyss Stone [Distortion - Poison Explosion] could be equipped simultaneously.

3. Event End Notice

1) Souls Awakening in the Sweltering Heat Event

※ Unused event items will be deleted after the maintenance on Jul 9, 2026.

1. Ashes   
2. Sparkling White Sand Powder
3. Souls Awakening in the Sweltering Heat Engraving Stone Selection Chest
4. Souls Awakening in the Sweltering Heat Gear Essence Selection Chest
5. Souls Awakening in the Sweltering Heat Unique Chest
6. Conceptual Summer Elixir

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 Jul. 9 (Thu) maintenance until Jul. 9 (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

: Gemstone of Courage x 2,000

: Gold x 200,000

: Croco's Precious Fragment x 3

* You can claim the compensation from your mailbox after the Jul. 9 (Thu) maintenance until Jul. 9 (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.

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.

======

Greetings, Rune Hunters.

We would like to inform you that UNDECEMBER will undergo scheduled maintenance on Jul. 9 (Thu) to provide even more reliable game services.

Please see below for more details on the maintenance schedule.

[Jul. 9 Scheduled Maintenance]

1. Maintenance Schedule

: Jul. 9 (Thu) 07:00 - 12:00 13:00 (UTC+9)

2. Maintenance Details

1) New event 2 types begin

1. Lucky Ddakji Draw Event
2. Playtime Reward Ticket Exchange Shop

2) Added 3 new costumes and Beauty items

3) Added new Transcendent Link Runes

4) Added new Unique Gear

5) Skill, Link Rune / Zodiac balance adjustment

6) Added new items and packages

7) Improvements and Others

 ■ Improvements

 1) Treasure Chest improvement

 - Treasure Chest icons will be displayed on the Minimap and regional map.

1.  The same icon is displayed regardless of the treasure chest grade.

 2) Potion improvements

 - Potion effects will no longer disappear upon entering the Void Rift.

 - Potion cooldown will not be reset upon entering the Void Rift.

 - Cooldown of Fountain of Wisdom Potion will be reset upon death in the field.

 3) Auction House

 - The number of searchable options in the Auction House will be increased from the existing 6.

 4) Crafting

 - [The Forge] option crafting will have [The Forge] notation added to crafting success rate and result window.

 ■ Fixed an issue

 - Fixed an issue where the Support button in Settings > Customer Support does not work on mobile iOS.

 - Fixed an issue where weapons with the '[The Forge] Additional element DMG by % of DMG per hit' option equipped in Lacrima were not reflected in the character's stat info.

 - Fixed an issue where characters could get stuck in terrain or leave the map at a specific location in stage 17 during Abyss Gate.

 - Fixed an issue where Unique Gear was granted as non-tradable when using the Standard Bonus Chest.

 ※ If the non-tradable status of acquired Unique Gear in the Auction House is removed, the consumed Trading Key will be reissued.

 - Fixed an issue where more than 6 Unique Gears could be registered in the [Unique Synthesis] feature.

 - Fixed an issue where the Area of Effect of the Bloodshed Skill Rune Domain of Blood did not increase.

 - Fixed an issue where Unique Gear [Critical Point Venom Sac] and Abyss Stone [Distortion - Poison Explosion] could be equipped simultaneously.

3. Event End Notice

1) Souls Awakening in the Sweltering Heat Event

※ Unused event items will be deleted after the maintenance on Jul 9, 2026.

1. Ashes   
2. Sparkling White Sand Powder
3. Souls Awakening in the Sweltering Heat Engraving Stone Selection Chest
4. Souls Awakening in the Sweltering Heat Gear Essence Selection Chest
5. Souls Awakening in the Sweltering Heat Unique Chest
6. Conceptual Summer Elixir

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 Abyss Gate, 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.