Brewmaster is really overpowered in ToS and the nerfs aren't anywhere near enough. They're past bears with how stupid they are.
I should say I don't feel BRM is underpowered (we still feel really good). What I don't like is the way it plays right now
We can only stack isb to 3x duration which is 24s. Prior to this we could just keep stacking infinitely (not sure if there was a cutoff) and essentially bank isb to only use brews on purify. That's the situation this addressed.I'm not even sure what you mean with the ISB nerfs, could you just spam it before and stack it up to obscene length? It seems to function roughly normal to how I was using it is e very time I get down to 1-2 seconds I pop another.
Sco's thoughts on tank balance in 7.2.5