12/11 (Thu) Update Content
December 10, 2025
Hello, Heirs! This is GM Dominiel!
* Please note that for this week, no maintenance will be required, and the update will be applied automatically.
The update details provided in this notice are subject to change and may be different from the actual update.
Please see below for more details.
1. New 4★ Hero, Sealed Eye Surin

The one-eyed shadow that brings misfortune to Ghan High School, Sealed Eye Surin has arrived in Orbis!
Players will be able to meet the new 4★ Hero, Sealed Eye Surin in Covenant, Moonlight, and Mystic Summons.
■ Sealed Eye Surin Mystic Summon Schedule
12/11 (Thu) 03:00 – 2026/1/1 (Thu) 02:59 UTC
■ Sealed Eye Surin
[Hero Introduction]

2. World Arena Spring 2026 Season Begins!

The World Arena Pre-Season has come to an end and the Spring 2026 Season will begin!
We look forward to the fair and fierce competition this season!
■ Schedule
- The following is the schedule for the end of the World Arena Pre-Season and the start of the Spring 2026 Season.
Category | Schedule |
Pre-Season Ending | 12/13 (Sat) 02:59 UTC |
Spring 2026 Season Beginning | 12/13 (Sat) 05:00 UTC |
Spring 2026 Season Ending | TBD |
* All servers will follow the same schedule for the end of the Pre-Season and the beginning of the Spring 2026 Season.
ㄴ Servers: Global/Europe/Asia/Korea/Japan
■ Entry Conditions
- Account Rank 60 or above
- Participants must have 5 or more Heroes from each class that are starting grade 2★ or higher. (Except for Material Heroes / A total of 30 Heroes)
■ Spring 2026 Season Adjustments
- In celebration of the beginning of the Spring 2026 Season, adjustments will be made to the World Arena entry banner, lobby, and battle backgrounds.
■ Spring 2026 Season Warfare Rules
New Warfare Rules will be applied to the World Arena Spring 2026 Season.
We will provide more details on the updated Warfare Rules in the "World Arena Fall 2025 Season Infographic," which will be released separately in the Developer Notes section.
■ Spring 2026 Season Reward
- At the end of the Spring 2026 Season, you will earn season rewards based on your final league grade.
[Location]
World Arena > Rankings > Season Reward
* Players will be able to check the season rewards in game when the Spring 2026 Season begins.
[Skin Information]

* The skin images will be revealed through a separate notice during the season.
[Frames]

[Background Pack]
- Heirs who have played at least one Arena match during the World Arena Spring 2026 Season will receive a Background Pack. (Includes placement matches)
3. Mystic Summon Lineup Rotation
■ The Mystic Summon lineup will be updated as follows.
1. Schedule: 12/11 (Thu) 03:00 – 2026/1/1 (Thu) 02:59 UTC
5★ | 4★ |
New Moon Luna | Sealed Eye Surin |
Specimen Sez | |
Conqueror Lilias | |
Architect Laika |
[December 11 (Thu) Update Content Mail]
Players can receive 2 Leif by moving to the link in the December 11 (Thu) Update Content Mail.
- Collection Period: 12/10 (Wed) – 12/13 (Sat) 09:00 UTC
Thank you.

Epic7DB