Best charge barb build? Have BiS gear, para 700+, can't ***** 4bil/hr with comm exp

Please, I beg for advice. Trying t6 rifts, no deaths, but i can't get over 4b xp/hr :( Have Raekors, 3700+ dps maximus.



1.6m damage

9.5m toughness

25% run speed.

Best charge barb build? Have BiS gear, para 700+, can't ***** 4bil/hr with comm exp