While the concept of Brawler is nice, if the range was out to 20meters it would make this a hell of a lot more viable and a no brainer. Regardless this passive will be situational and would probably tie in well for aoe builds. There were plenty of times you had in beta when this would have been useful, probably 30%. Once we get out of normal into the higher difficulties mobs get alot more aggresive and could have the pack on you in a heartbeat making this indeed viable even at 8 yards. On bosses this may not be the best skill to have unless you are dealing with the adds.