Your story with the everlasting Souls!

This is Operator One - Mephistopheles, reporting in.

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

Don't forget to challenge into the Arena

and obtain the doubled rewards~♪

《Arena Double Reward Event》

◈ Event Period

- 2025-08-20 (Wed) 09:00 ~ 09-03 (Wed) 08:59 UTC+9

◈ Event Details

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

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

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

※ The challenge from Arena Ticket will not be affected.