Talk:Karthus/@comment-4442345-20120217030216/@comment-89.110.221.235-20120220194614

^ Build a tear. If you need sustain get WotA. If not then Catalyst > RoA. Late game - DC and the appropriate mpen item. Upgrade tear last. Keep in mind that Karthus is a late game aoe god, and you are to farm until you become one.