First time barb need help

started off with dh on season and made a barb alt, got all my waste pieces and rest of gear following the guide here…i seem to be getting 1-shot by any trash mob while rifting or doing bounties any help would be appreciated:)

Band of Might.

Make sure the buff doesn’t drop.

I’m a noob Barb too… every time I die, I forgot to refresh BoM.

I use Furious Charge instead to proc it, not a fan of the Ground Stomp animation.