Need help killing master gee in normal mode, for achievement!

psn: heyitsjoeee

just need the achievement, got him down so low and the poison killed me and i ran out of ammo

I remember the good old days playing as Maya, sitting behind a rock and watch my teammates running in circle.

I was there only to Res, throw out Transfusion nades, and revive them on foot when things gone fubar. lol