When I PvPd I wouldn't really rely on fullstrip. I'd adapt and plagiarize different skills based on the situation and what class I was fighting. Copy either bowling bash for gtb users or spear of ice for those who didn't use gtb.
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Oh and I know this probably looks very negative and I'm not trying to discourage you from trying out stalker, but I wanted to make sure you were aware of some of the hardships of the class @_@ <33