sniper tree -you can kill most classes. cover, hunker down (no cc for 20 sec), 15% shield while in it. charge em up, instant cast charged burst (with tree points), instant cast trick shot, aimed shot, trickshot, speed shot, then use your instant cast finisher if under 30%..which they will be. knock back. do it again... hit dodge if your getting ****ed, medpac heal(biochem 400 is a must or your baddie), two stuns...not to mention adrenals ,stims, relics...l2p.