Talk:Rengar/@comment-92.20.102.212-20130324133438

So even if Q and empowered Q stack with each other, you'd need 40% CDR (3.6s) for 0.4s time to activate empowered Q. This would only give maximum time of 0.4s of stacked Q and empowered Q attack speed buff. In fact,

I'm surprised someone was even able to find this out given how quick you need to be to do this: 0.4s to double execute Q and check your current AS.