BDO Korea will be getting the Dark Knight Dark Elf Class on Dec 15. Kakao has released a teaser for the new class.
Dark Knight Teaser Page: Link
Game Site KR: http://black.game.daum.net/
After a brief tease a few weeks ago, the Korean Black Desert site has been updated with a special page dedicated to the Dark Elf / Dark Knight that will be heading into the game in the near futures. The team released a trailer and will be revealing more information on December 8th before the new playable class goes live in the Korean BDO version on December 15th.