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

- 2026-01-07 (Wed) 09:00 ~ 01-21 (Wed) 08:59 (UTC+9)

◈ Event Details

- During the event period, the 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.