Just an enquiry what IP do you guys prioritise for Blade and Soul because I can see an improvement for the login servers but the actual game server mudfish offers no better than running without it 350ms+ in most cirumstances.
Did you check Blade and Soul link too before? Please make sure that How do I know if its working? works fine. 
처리해 드린 것으로 보입니다. 확인해보시고 문제가 있으시면 언제든지 답글 부탁드립니다.