Losing 40% of your health in a GCD from 1 player means you need to L2P, stop clicking, and realize there are defensives in this game. Gearing up takes about 2 days....the difference b/w Obroan and brutalizer is minimal and by the sounds of it won't make a difference for you at all. In fact, Obroan is more than good enough for ranked.
At the end of the day, it simply sucks to suck.
/holohoop2