Ive been noticing problems with it too.sometimes when I use it on a mob that I loose from a group I will gain hate then a dps will crit and take it before I can get ROH combo off. Then when I finish Roh I will get hate back just in time for the healer to grab it. All the while ive lost hate on the other mobs due to focusing on the one that I lost. Imho provoke is garbage and a waste of a hotbar slot. I would like it to also boost hate of follow up actions for a set amount of time. Maybe 1.5 time hate generation or even double for next 3 to 5 secs