ok first thing's first NEVER use a hybrid spec. Secondly its good you have some gear but, in roder to benofit from the geat, you need to get the right gear for your spec, Tank assasins are very effective being one of the best tankso ut there, sicne they can take a pounding or two, and still deal good damage, the stealth spec, ism roe so about timing, and choosign your fights carefully, if you use stealth you wanna open with spike, follow it with low slash, then use maul