User blog comment:Elphrihaim/Clarivoyance...?/@comment-9048637-20130806162226/@comment-4022742-20130807150026

"...and it does nothing to ap based champions." Oh dear, you were doing so well up to this point. Better read what exhaust does again:
 * "Exhausts target enemy champion, reducing their movement speed and damage dealt by 30% for 2.5 seconds and reducing their attack speed by 50% for the duration. "
 * "...reducing their movement speed and damage dealt by 30%"
 * "...damage dealt by 30%"