thephantomfreak (!empty($user->lang['WROTE'])) ? $user->lang['WROTE'] : ucwords(strtolower(str_replace('_', ' ', 'WROTE'))):
mo/w .....untouchable
mo/w ....touchable
w/mo ....toucable
A Mesmer is meant specifically to counter casters, and has too many skills not to give a monk hell.
A Necro has a lot of skills that debuff armor and any protection.
Conclusion: a Me/N or N/Me is perfect to take down both classes.
Reminder: Guild Wars one of those games that is very well BALANCED.