I edited some files that the mobs wont attack, so its easier to play.
No needed for the gameguard bypass or any that kind of sht (which is usually full of viruses or such). x)
Heres the deal,
1. Wait the patcher to say "patch succesful".
2. Then you copy these files in "C:\Ntreev\Grand Chase\Motion" folder.
DIY if not working: Open those motion_monster0,1,2,3,4 files in motion folder with wordpad or such then find and replace all attack words with attakc or anything you like as long its 6 letters and do this after "patch succesful".