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Known Issues

Jun Bug Fixes and Known Issues in UNDECEMBER (Added on Jun. 15 15:55 (UTC+9))

UNDECEMBER
2026.06.02 Tuesday 19:30 (UTC + 9)

Greetings, Rune Hunters.


We would like to share with you the bugs that have been fixed in Jun, as well as the issues that are currently under investigation.

Please see below for more details.


※ The following may change or be postponed in the future.


◈ Known Issues

※ These are the issues that have currently been found since the update.


- An issue where the character status displayed on the View Other Character Info screen differed from the actual status.

- An issue where the [Game Settings] > 'Minimize Your Skill Effects' feature does not apply to the effect of [Fire Blow], [Thorn Explosion]

- An issue where time-limited items stored in Storage are displayed as expired.

- An issue where the nickname change does not function properly when using the [Character Name Change Ticket] intermittently.

※ If you are experiencing issues due to this problem, please contact Customer Support, and we will do our best to assist you as quickly as possible.

※ Customer Support: https://cs.line.games/

- An issue where the [Enhance Skill Rune Cooldown Recovery Speed Magic Runestone] effect does not apply to the [Fighter's Wrath] skill rune in certain situations.

- An issue where some options of [Distortion - Frost Storm], [Vertical Chill], and [Transcendent Vertical Chill] do not activate properly.

  : The option functions normally, but since the Frost Storm skill's Explosion DMG and Chilling Area DMG are the same, it appears as if the option is not working.

  : Will be improved through future adjustments to Explosion DMG and Chilling Area DMG.

- An issue where the effects of the weapon skin [Black Iron Staff of Dominion] are abnormally displayed in certain situations. (Added on Jun. 11 15:27 (UTC+9))

- An issue where the enter key on the virtual keyboard does not activate properly when using the chat function in certain mobile environments. (Added on Jun. 15 15:55 (UTC+9))

- An issue where the [Max Energy +] option does not function properly in certain situations. (Added on Jun. 15 15:55 (UTC+9))



- An issue where character stats change when converting maps in battle content such as Chaos Dungeon. (Edited on Jun. 11 14:06 (UTC+9))

- An issue where the effects of the attachments [Corrosive Afterglow Footsteps] and [Chilling Afterglow Effect] are not displayed. (Edited on Jun. 11 14:06 (UTC+9))

- An issue where [Premium White Night Crystal Bundle] can be registered in the Auction House/Marketplace. (Edited on Jun. 11 14:06 (UTC+9))

 : On 06/11 (Thu) maintenance, Premium White Night Crystal Bundle will be changed to non-tradable, and items listed in the Auction House/Marketplace will be canceled.

- An issue where stored items are not displayed properly when checking the storage in certain iOS environments. (Edited on Jun. 11 16:53 (UTC+9))

 : An issue occurs when opening Storage after logging in with a Season Mode character. Items stored will display normally upon reopening the Storage.

- An issue where the attached effects are abnormally displayed when equipping [Barefoot Summer Footsteps Effect]. (Edited on Jun. 11 19:20 (UTC+9))


◈ Bug Fixes

※ These are the bug fixes that took place with the update.


[Jun. 11 Data Patch]

- Fixed an issue where the effects of attachments were abnormally displayed when equipping [Barefoot Summer Footsteps Effect].


[iOS New Version Update Announcement]

- Fixed an issue where login was not possible after new Google account login or logout and re-login in iOS environment.

- Fixed an issue where items stored in Storage were not displayed properly when accessing with a Season Mode character on iOS.


[06/11 cheduled Maintenance]

- Fixed an issue where the Boss monster [Starlight Guardian]'s pattern behaved abnormally when using the Skill Rune [Summon Twisted Abyssling].

- Fixed an issue where the duration was not displayed on the icon when using Enhance Skill Rune in certain mobile environments.

- Additional measures for an issue where [First Payment Event] rewards are abnormally granted in certain situations

※ A recall action will be conducted for some Rune Hunters with remaining issues after the 05/28 (Thu) update.

- Fixed an issue where [Premium White Night Crystal Bundle] could be registered in the Auction House/Trading Post.

- Fixed an issue where character stats changed when converting maps in battle content such as Chaos Dungeon.

- Fixed an issue where frames dropped intermittently during Battle content such as Chaos Dungeon and Abyss Gate.

- Fixed an issue where the effects of the attachments [Corrosive Afterglow Footsteps] and [Chilling Afterglow Effect] were not displayed.

- Fixed an issue where some 15 Tier and [The Forge] option tooltips were incorrectly displayed.

※ The actual effect of the option will not be changed.

- Fixed an issue where Authority prefix/suffix options did not appear in the option probability of imbued items.

- Fixed an issue where paid product-related notices were displayed in the free product information in the Paid Shop.


We hope that the details on known issues will help you avoid any inconvenience as you play the game.


Thank you.



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