Greetings, Rune Hunters. Maintenance has been completed and UNDECEMBER is now available to play. Please see below for more details on the maintenance schedule. Mar. 12 Scheduled Maintenance 1. Maintenance Schedule : Mar 12, 08:00 ~ 12:30 (UTC+9) 2. Maintenance Details [Go to Notice] 3. 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.

Greetings, Rune Hunters. We would like to inform you in advance that certain packages and products currently on sale at the Shop will no longer be available after the following dates. Please see below for more details. We hope the information will help you avoid any inconvenience. Advance Notice on the End of Package and Product Sales 1. Ending Date - After the Mar. 12 (Thu) scheduled maintenance 2. Products No Longer Sold from Mar. 12 (Thu) [Go to Notice] 3. To Note ※ The relevant packages and products will only be sold until the dates above. ※ Products you have already purchased, except for Pass products, can still be used normally even after the sale of the product ends. ※ During the 03/12 (Thu) update, Summon Gear – Ultimate in the Paid Shop will end, and all accumulated Bonus Points will be deleted. During the 03/12 (Thu) update, any Summon Gear Tickets (Ultimate) you currently own will be deleted. ※ Any unused [2026] Fortune Box and [2026] Lucky Box, [2026] Auspicious Day Box before the maintenance on 03/12 (Thu) will be deleted. We will do our best to continue offering even better products to Rune Hunters. Thank you.

Greetings, Rune Hunters. We would like to inform you that UNDECEMBER will undergo scheduled maintenance on Feb. 26 (Thu) to provide even more reliable game services. Please see below for more details on the maintenance schedule. Feb. 26 Scheduled Maintenance 1. Maintenance Schedule : Feb. 26 (Thu) 07:00 - 12:00 (UTC+9) 2. Maintenance Details [Go to Notice] 3. 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.

Greetings, Rune Hunters. We would like to inform you in advance that certain packages and products currently on sale at the Shop will no longer be available after the following dates. Please see below for more details. We hope the information will help you avoid any inconvenience. Advance Notice on the End of Package and Product Sales 1. Ending Date - After the Feb. 26 (Thu) scheduled maintenance 2. Products No Longer Sold from Feb. 26 (Thu) [Go to Notice] 3. To Note ※ The relevant packages and products will only be sold until the dates above. ※ Products you have already purchased, except for Pass products, can still be used normally even after the sale of the product ends. ※ The Gear Summon Ticket (Ultimate) obtainable from the listed products will be deleted after the regular maintenance on Mar. 12 (Thu). ※ Any unused [2026] Fortune Box and [2026] Lucky Box before the maintenance on 03/12 (Thu) will be deleted. We will do our best to continue offering even better products to Rune Hunters. Thank you.