User blog comment:Grrrbear26/Executioner's Calling RIP.. I THINK NOT/@comment-1330314-20141219014745/@comment-10958553-20141220195121

Yes however it doesn't damage champion's in built sustain. It is designed to counter champion builds, not champion's themselves. It counter building. Sort of how you build BoTK against units who have stacked health, or armor against a marksman.