Help with Stone/Fire build Brawler

so far I have
Stonefist
Stone mallet
Heavy mallet
Fire Shield
Blazing aura

Im level 8 and don't know what to do


I want to do mostly PvP and 2 person missions, thats what I'm doing so far at least

I don't know terms well, but I've been playing a while, just need some real advice


Thanks