Talk:Varus/@comment-75.156.95.156-20120501193431/@comment-4499980-20120501213226

It doesn't stack but consecutive kills of the same type will refresh its duration.
 * Minions kills refresh the 20% buff.
 * Champion kills override the 20% buff and apply the 40% on for 6 seconds.
 * Champion kill refresh the 40% buff.