Draven

It's 5.8 seconds, in case you were wondering. But I believe there's a timer on the little 'you have an axe spinning' buff. I also really love the use of Clarity. :D

isn't or he's and doesn't need to be told how long he can hold onto a axe for

I think it's something that doesn't really need to be tooltipped, you get the feel for it just by using it because of the indicator. It's an odd number to begin with, and 5.8 seconds isn't easily digestible or palatable