Your story with the everlasting Souls!

This is Operator One - Mephistopheles, reporting in.

There will be an event in which you can obtain doubled rewards from the Arena.

Don't forget to challenge the Arena and obtain doubled rewards!

《Arena Double Reward Event》

◈ Event Period

- Apr 15, 2026 (Wed) 09:00 ~ Apr 29, 2026 (Wed) 08:59 (UTC+9)

◈ Event Details

- During the event period, rewards from the Arena will be doubled.

※ The doubled effect will be applied regardless of victory/defeat.

※ Daily/weekly rewards according to the rank will not be doubled.

※ The challenge from Arena Tickets will not be affected.