2025-09-17 10:00 - 2025-10-08 03:59 (server time)
Radiant Tide x10, Forging Tide x10
Reach Union Level 8.
Log in during the event period to claim the rewards.
Rewards for this event will NOT be reissued via in-game mail once the event ends. Please pay close attention to the event time and claim the rewards beforehand.