Featherfoot is useless outside of dungeons. You shouldn't pop Infuriate and then not use it. You also popped 3 things at once before pressing more Overpower. Bloodbath > OP > Berserk > OP > IR > OP > etc. is what you're looking for. If you're popping Infuriate it shouldn't be for the +Crit, that isn't going to do more damage than a Berserk buffed Steel Cyclone let alone Unchained. If you're pulling multiple packs, you should be either popping Vengeance or Thrill + Conv, Vengeance is actually insane here as all the reflected hits self heal you with Bloodbath up on top of the mitigation.