why my account is suddenly banned?

last night i open whole night finish , until just now i wake up and go Madelin bought some card wan go lvling , after join a party they summoned me i Click OK ! It's Straight jump out Server Disconnect
After i wan Login Back , there say My Account Has Been Blocked WTF !?
I never hacking , Start from bottom and why the **** is Banned me?
i spended money on this game , u block me with no reason is that very ****?
Please help me check , I mean u should unban my ID :mad::mad::mad:
ID : Jin1227

did you bought ROSE OF HOD or any of the GOLDEN DRAGON SET?