Talk:Riven/@comment-91.17.139.117-20110925185817/@comment-3486816-20110929035951

^false, yes, you need AD, but on anyone that deals ENTIRELY physical damage, you're going to want Armor Pen no matter what. Look at Urgot, for example. Despite the fact that he has a large % armor reduction, last whisper is still pretty much required on him just because he deals entirely physical.