correct :) each class has a weakness either its another class or its skills vs other classes nobody is op against all.. Balanced is maintained even if its healers or dps or stealth or stuns or ranged or melee all can be weak in different places ;) rogues u said stealth it can be seen in the location section and there r 3classes that can make him visible warlocks 2circles/ mages 3skills (stone shatter, teleport, chains)/ and my favorite paladins fetters at arena these will make rogues vulnerable :) in the end there is no op class