This is automatic translation (from Korean) of 13.12.2021 update notice for Korean server (we will probably get same at our next maintenance):
 

The following is Korean server update for December 14 (Tue).
 

1) Add client message

- Added a message stating that the client will be terminated if you do not log in for a certain period of time after launching the game.

 

2) Fix minor name display problem

- The problem that the sub name was not displayed when using the name book has been fixed.

 

3) Fixed the location of Daeva's Valley Bridge Pet

- Fixed the issue where the pet's location was displayed incorrectly when moving Daeva's Valley Bridge.

 

4) Create Daeva monster pet and add heirloom collection

- A rare monster pet that resembles the shape of a Daeva has been added.

- Added heirloom collection to add pets.

 

5) 2021 Pet Comprehensive Gift Set Shop Update

- Please refer to the information page for details - https://gameagit.com/kalonline/2112petset