Hello, Tamers!
This is Dats Center.

After the Tamer Skill improvement on December 3rd, it is confirmed that the issue which some Tamers experienced the loss of previously registered skills.

For the affected accounts, we will be retrieving the registered Tamer skills and providing "Tamer Skill Selection Box" during next maintenance.

We sincerely apologize for the inconvenience this issue may have caused and appreciate your patience while we work to resolve it.

Thank you.