Greetings, Rune Hunters.

With the arrival of UNDECEMBER’s new season [The Forge],

we would like to introduce the various benefits available in Season Mode!

Please check the details below for more information.

[Season Mode Benefits List]

1. [The Forge] Season Mode Benefits Guide

2. Season [The Forge] Challenges

3. Season The Forge Hot Time Event Notice (Season)

◆ [The Forge] Season Mode Benefits Guide

■ Benefit Application Period

- After the May. 14 (Thu) 2026 maintenance - Until before the Season end

■ Season Mode Buff

- The following buff effects are applied in the Season Mode.

□ Seasonal Support Box

- A Seasonal Support Box that supports the growth of Season Mode characters will be added.

※ The Season Support Box can be purchased once per account for free from the Season Mode Paid Shop.

- The Seasonal Support Box has level requirements, and when used, you can obtain a Higher-tier Box and Various Items.

※ At certain stages of the Support Box, you can obtain a [Bound] Transcendent Unique Selection Chest.

■ Season Mode Exclusive Dropped Item

- The Unique gear obtained only in Season Modes

- [Serpens Essence] can be obtained through playing in Season Mode.

■ Season Mode Exclusive Enhance Options

- A powerful option that can be imbued only in Season mode.

- Season mode exclusive enhance options are imbued with the [The Forge] prefix and provide stronger options than enhance options.

◆ Season [The Forge] Challenges

■ Event Period  

- After the May. 14 (Thu) 2026 maintenance - Until before the Season end

■ Event Details  

- During the event period, [Season Challenges] that can be progressed in Season Mode will be available.

※ Through the Season [The Forge] Challenges, you can obtain a [New Attachment].

- By completing the given Challenges with a Season Mode character, you can earn points, and receive designated rewards based on the total accumulated points.

- Rewards based on the total accumulated points can be claimed by pressing the [Receive Reward] button on the Season Challenge page.

※ Season Challenges are account-based, and mission progress, accumulated points, and reward claim status are shared across the account.

■ Event Rewards

■ To Note   　

※ This event is for the Season The Forge Mode.

※ The event schedule and rewards may be subject to change.

※ Missions and rewards become unavailable once the event ends, so please participate in the event during the event period.

※ You must obtain your rewards directly through the in-game Season Challenge menu, and obtained rewards will be sent to your Bag.

◆ Season The Forge Hot Time Event Notice (Season)

■ Event Period

- After the May. 14 (Thu) 2026 maintenance - Until before the Season end

■ Event Details

- Get Hot Time benefits by playing Season Mode during Hot Times within the event period.

※ During the Special Day period, enhanced buffs will be applied.

■ To Note

※ This event will only be conducted for The Forge Season Mode.

※ Please refer to the [Event Board] for detailed information on the ongoing Hot Time event.

※ The event schedule and rewards may be subject to change.

※ If the Hot Time Event is not active, please restart the game.

※ You can only receive Hot Time benefits during the event period and Hot Times.

We kindly ask for your continued interest and support for the new season events.

Thank you.