Jul. 15 Server Patch
Greetings, Rune Hunters. UNDECEMBER will be undergoing a server patch on Jul. 15 (Wed) to address identified issues. Please refer to the following information for details. {STEAM_CLAN_IMAGE}/41639947/e7bc4a197fb4f524c495…

LINE Games
Undecember season countdown — current and next dates
Undecember season countdown — current and next dates
Total des saisons
6
Durée moy.
111 jours
Steam online
316
7d peak
45.9K
season en cours
Undecember Season 11: The Forge launches following the conclusion of Season 10, bringing a leaderboard reset and new seasonal content with a fresh economy and ladder race.
Commencée
14 mai 2026
En cours depuis
Prochaine season dans
Saison terminée
Mis à jour 20:00
Greetings, Rune Hunters. UNDECEMBER will be undergoing a server patch on Jul. 15 (Wed) to address identified issues. Please refer to the following information for details. {STEAM_CLAN_IMAGE}/41639947/e7bc4a197fb4f524c495…
Greetings, Rune Hunters. UNDECEMBER will be undergoing a server patch on Jul. 13 (Mon) to address identified issues. Please refer to the following information for details. {STEAM_CLAN_IMAGE}/41639947/e7bc4a197fb4f524c495…
Greetings, Rune Hunters. UNDECEMBER will be undergoing a server patch on Jul. 9 (Thu) to address identified issues. Please refer to the following information for details. {STEAM_CLAN_IMAGE}/41639947/e7bc4a197fb4f524c4953…
No end date has been officially announced for the current Undecember season yet.
The next Undecember season is estimated to start around 14 septembre 2026. This is based on historical average season lengths and is not yet officially confirmed.
Yes — the date shown for the Undecember season is officially confirmed by the developer.
Undecember seasons typically last around 123 days, based on the average of recent completed seasons.
Season 11: The Forge
Undecember Season 11: The Forge launches following the conclusion of Season 10, bringing a leaderboard reset and new seasonal content with a fresh economy and ladder race.
New Age
The current Undecember season focuses on a large-scale skill overhaul, Season Mode progression through Abyss Gate New Age, and season-specific rewards and passes.
Abyss Gate
Abyss Gate centered on descending through Chaos Statue-linked dungeon depths with progressively stronger monsters and season-exclusive progression.
Starwalker
Season Starwalker added a new Season Mode cycle with its own gear, pass rewards, raid schedule, and season-limited progression systems.
Trials of Power
This season followed Re:Birth, resetting Void Rift progression and adding a new season-focused competitive cycle built around Trials of Power content.