I have a mage character.... and i can say the mages are definitely stronger and scarier than warriors... even mages them self are scared by fellow mages. Warriors are just not up to it..

A Warrior of same pot cant take out a mage. (if the mage knows how to pk not a noob mage)  while a mage ..like me.. can take on a warrior 5 more pot than me..

So even in pvp mages have the edge over warriors. Only the only thing here is the first strike.... who ever does that usually wins

if a mage goes invi... a warrior with 5 more pot is no biggy... for the warriors dont have high mdef  while mages with conned pets have hi pdefs....this might change with the coming of love pets....

On the other hand, if u get cc.. ur summoned mage pet will kill ur opponent or 1 of his pet. Hence mages still survive and atk back..:)

so atm.. mages own !!

P.S-->  This may change with coming of love pets.. they got high mdef.