Talk:Youmuu's Ghostblade/@comment-5877442-20131213213304/@comment-3510317-20131213221240

Well compare it to other Armor Pen items. You have Black Cleaver, whose 10 Armor Pen & passive must be worth 350g for gold efficiency, & you have Last Whisper, whose % Armor Pen must be worth 860g. So apparently Armor Pen is pretty darn expensive.

I think twice the flat Armor Pen of Cleaver for only ~200g more is probably the better deal, barring significant Armor stacking on the enemy team. And then there's Yomuu's passive to think about. Just my two cents.