Maaaany patches ago when I used it sub-20%, it just had a 15/20 second cooldown(whatever it was way back when), but it might have changed since then.
Sorry for the edit AGAIN. Not used to the Edit Post button on everyones post now. x.x
Dont worry. I'll make you look like you're talking to yourself. Also, I'll eat your face off .
Bahahaha, nice nice. Too funny. xD!