This is automatic translation (from Korean) of 22.11.2021 update notice for Korean server (we will probably get same at our next maintenance):
 

The following is Korean server update for November 30 (Tue).
 

1) Renewal of Daeva's Tower

- A new map, the top 2.5 floors of Daeva have been added.

- All levels of play difficulty and reward experience have been changed.

(The 2.5th and 3rd floors of the Daeva Tower are recommended for party hunting, and the monster's HP is higher than the existing hunting grounds)

(Deva's Tower difficulty will be constantly changed based on the data collected)

- New monsters have been added.

- Superlative trigrams, superlative yin and yang mirrors, and superlative Taegeuk have been added.


More info - https://gameagit.com/kalonline/2111dtower

 

2) Improving swordsman's sword and inspection skills

- Improvements have been made so that the swordsman's sword and inspection skills are applied to Daeva's top monsters.

 

3) Black Horse, Shadow Shield text deleted

- The phrase [Purchasable Grade] on the Black Horse and Shadow Shield has been deleted.