We are glad to announce that Patch 5801 will be released, following the routine server maintenance on November 12th, 2013.
Note: You must be sure that the client is completely closed before patching, otherwise the patch may not be installed correctly and you won’t be able to login the game.
Highlights of Patch 5801
Anti-bot System Update
The anti-bot system is updated to the latest version to deal with current illegal programs found in game. Please update your client to version 5801, otherwise you won't be able to login to the game.