I Enrage first then pull with some combo of charge and FFF. Then Mangle/Maul and get a Lacerate up followed by Thrash then Demo. Lacerate is still the filler and Mangle and Thrash should be on CD along with Maul as rage allows. I try and use Pulverize after a Thrash to ensure there is a bleed up at all times. I'll try and pop Enrage before Berserk for the extra damage as well, sh
it I keep Enrage close to on CD as well now as 15% more damage is fun.
Since the patch I've
respec'd out of FA and Imp Charge to grab KotJ. So FFF doesn't start at 3 stacks but it does more damage now so is worth using 3 times to fully stack it up.