Nothing

...

You should not be posting guides, since you don't know what you're doing.

50K dps at level 90, uncapped res, specced into skill duration and totem speed, randomly using Holy Flame Totem and HoA. No defense. 5 life flasks.

You should read some actual guides and learn to play to improve your own experience before trying to "help" others.

the rese's are all high, have a closer look at the pastbin
why can't i spam flamewall & holyflame totem?
I got tons of mana {eldrich battery}