Hello, Hero Candidates! Please refer to the contents below.
Each account has Link Information, includes an ID and a Code, for identification.
When you use this information, you can play the Devil Book with your account on other devices even though you didn't link your account with Google Play or Apple.
However, if you have no information about both the Link information and the link, unfortunately, we cannot help with your account recovery.
For additional inquiries, please email at firstname.lastname@example.org