Got question about metan2maser

guys i am using ninja to kill Flame king or queen
and when i use metan 2 master OR metin2_power
i set atk speed 18500

and afther few seconds or 30seconds
i get Dissconect from server always it anooying ican notkill boss like that?
why it happend plz help me..

the server seems to recognize your cheating xD
what about trying without hack o_O

if you dont want to, try to set the atkspeed to a "normal" value :P