Originally Posted by burlyman
Just did a Kara run, and it certainly appeared to be stacking WITH Thunderfury but I don't have any logs or what not to prove whether it does or doesn't. I just know the bosses attacks were very slow.
|
Just tested on a friend and attack speed was the same when Thunderfury and Deathfrost compared to just thunderfury being up. The debuff does stack but the reduction in attack speed doesnt.