The costume can be enhanced up to 10 levels by leveling up.
■ Costume Level up
① You can check the number of materials [Costume Upgrade Stone] required for level-up.
- Costume Upgrade Stone can be obtained from various events and quest rewards or by spending Diamonds.
② You can check the level-up probability. (There is no extra penalty in case of failure.)
③ In case of successful level-up, the Costume's ability will increase.
④ You can level up your Costume by using gold.
⑤ When your Costume level reaches 10, you can no longer level it up.
※ The guide was produced in a separate test environment.
So, It may change depending on the update and development situation.
Thank you for your love and interest in the Devil Book~
Devil Book Team