User blog comment:Lokiwg/Runes Lets talk about them!/@comment-7945211-20140902234219/@comment-8506165-20140903193152

Yeah, but the ArPen is just for damage on Zed's abilities, not his passive. AD marks/quints are usually used for better last-hitting, but the OP mentioned it because Zed's passive makes that less important as it works on minions as well.