Greetings, Rune Hunters.

In celebration of the 2025 Mid-Autumn Festival,

UNDECEMBER has prepared the [2025 Mid-Autumn Special Event]for our Rune Hunters! 🎉

Please refer to the details below for more information.

◆ [EVENT 1] Mid-Autumn Special Login Reward Event

■ Event Period

- Oct. 5 (Sun) 2025, 00:00 – Oct. 8 (Wed) 2025, 23:59 (UTC+9)

■ Event Details

- During the 4-day event period, you can receive rewards via Mail upon logging in each day.

- Rewards must be claimed directly from Mail, and claimed rewards will be sent to your Bag.

- Login reward mails can be claimed until 23:59 on the day they are sent.

■ Event Rewards

■ How to Participate

- Log into the game and obtain your rewards through your mailbox.

■ To Note 

※ During the event period, you can receive rewards via Mail by logging in each day (00:00–23:59).

※ Rewards must be claimed directly from Mail, and claimed rewards will be sent to your Bag.

※ Login reward mails can be claimed until 23:59 on the day they are sent.

Unclaimed mails will expire and disappear after this time.

※ Rewards can only be claimed once per account, and mails will be stored for 3 days (72 hours).

┗ Rewards can be claimed in either Standard or Season Mode, but not both.

※ Event rewards are only available to accounts created before the event begins.

Accounts created after the event starts will not be eligible.

◆ [EVENT 2] Mid-Autumn Cumulative Playtime Event

■ Event Period

- Oct. 2 (Thu) 2025 after maintenance – Oct. 16 (Thu) 2025 before maintenance (UTC+9)

- During the event period, the [Total Playtime Event] will be Specialed.

※ The accumulated playtime event is conducted on an account basis, and the progress and reward status are shared across the account.

※ You can obtain rewards depending on the total game playtime. The maximum amount is 120 minutes a day.

※ Total Playtime Event rewards will be renewed at 09:00 (UTC+9) every day.

※ Rewards are to be collected yourself, and the received rewards will be sent to your Bag.

※ You can only receive the reward once until the renewal time.

■ How to Participate in the Event

- Press the [Event] button on the top-right side of the screen to participate in event.

- Once the play-time is accumulated, you can collect the rewards by pressing the [Receive Reward] button.

■ Total Playtime Event Rewards

■ [Mid-Autumn] Event Chest Contents

- The [Mid-Autumn] Event Chest can also be purchased for free (2 per day) from the Paid Shop, in addition to this event.

■ To Note

※ The event period and contents may change.

※ You can see the contents of Chest items through View Info [i] button in the item’s tooltip in the game.

※ The Total Playtime Event is conducted on an account basis, and the progress and reward status are shared across the account.

(Example: If you receive the 30-minute reward in Season Mode, you cannot receive it in Standard Mode)

※ Total Playtime Event rewards will be renewed at 09:00 (UTC+9) every day.

※ Once the event is renewed, you cannot obtain the rewards that you did not collect in the past (previous days).

※ You must obtain your rewards directly yourself, and obtained rewards will be sent to your bag.

◆ [EVENT 3] [Mid-Autumn] Event Chest Cumulative Purchase Event

■ Event Period

- Oct. 2 (Thu) 2025 after maintenance – Oct. 16 (Thu) 2025 before maintenance (UTC+9)

■ Event Details

- During the event period, an additional reward will be given when you reach 15 cumulative purchases of the [Mid-Autumn] Event Chest from the Paid Shop.

- The [Mid-Autumn] Event Chest can be purchased for free (2 per day) from the Paid Shop > Mid-Autumn Special Package.

※ Daily purchase limits in the Paid Shop reset at 09:00 every day.

■ Event Reward

- Moonlit Night Footsteps

※ Beauty Items are provided in the form of consumable items, and you must use them to equip.

※ Beauty Items can be dismantled, granting Costume Mileage Tickets upon dismantling.

■ Event Reward Distribution Schedule

- Rewards will be distributed sequentially via Mail after the event ends on Oct. 16 (Thu) 2025.

■ To Note

※ Event schedule and rewards are subject to change depending on internal circumstances.

※ Participation in this event will only be recognized if you purchase the [Mid-Autumn] Event Chest 15 times or more during the event period.

※ Rewards will be given once per account across both modes, and mails will be stored for 30 days (720 hours).

┗ Rewards can be claimed in either Standard or Season Mode, but not both.

We hope you enjoy a wonderful adventure in UNDECEMBER with these plentiful events!

Thank you.