Originally Posted by
vynka
I think mastery is left last because the increase per point of mastery is not as desirable as stacking haste and crit to improve active mitigation, because you lose haste and crit by maximizing mastery. Also, if you're going for mastery and stamina you're going to take a hell of a lot of damage. I don't even have 20k armor while Warriors have near 60k.
Also, I recently got my Dungeon Hero achiev. and I don't seem to have problems on bosses (except when carrying stupid dps doing 11 fucking k at lvl 90) but on mobs, specially regenerating shas on Shado-Pan.