there are to many ways to look at it. for example if your looking for fast kills the mage can is best. if you looking at opitions when it comes to fighting the bst has it as a bst can play 1 of 2 ways. 1st cleric merc and tank dps the mob them self with pet doing extra dps. 2nd get a dps merc let the pet tank and heal the pet themself as with max healing aa a bst can heal their pets better then a merc can.