Greetings, Rune Hunters.

UNDECEMBER will be undergoing temporary maintenance on Oct.8 (Thu).

We apologize for the inconvenience caused by this maintenance.

Please refer to the following information for details about the maintenance schedule.

1. Maintenance Schedule

- Oct. 8 (Thu) 2026, 18:30 - 20:12 (UTC +9) (Total 1 hours 42 mins)

2. Maintenance Details

1) Fixed an issue where stats of some new Unique Gear were incorrect.

- If owning problematic new Unique Gear, [Exclusive] Unique Change Essence will be provided.

- After the maintenance, using '[Exclusive] Unique Change Essence' will change the options of new Unique Gear to the normal state.

2) Fixed an issue related to New/Returning Attendance and Royal Attendance products.

- Attendance rewards will be sent in bulk to Rune Hunters who purchased the New/Returning attendance after 10/8 (Thu).

Please refer to the separate notice for details.

- Refunds will be processed for Rune Hunters who purchased the [Update Celebration] Royal Attendance Calendar.

◆ Maintenance Reward

Rewards have been prepared to express gratitude to Rune Hunters waiting during the maintenance.

※ Maintenance rewards will be available in the mailbox from after the maintenance on Oct 8, 2026 (Thu) until 23:59. (UTC +9)

※ Maintenance rewards are available in only one mode between Standard and Season.

※ Maintenance rewards are available only for accounts created before the maintenance.

▷ Maintenance time may change depending on the service situation.

▷ The game will be unavailable during maintenance. Please exit the game in a safe area before maintenance begins.

▷ Entry to the following contents may be unavailable for 10 minutes before and after the maintenance.

- Abyss Gate, Auction House, Chaos Dungeon, Eunos Dungeon, Arena, Agony Wave

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

Thank you.