Talk:Karthus/@comment-217.123.141.44-20120710185325/@comment-87.143.80.203-20120724221808

RoA is the best for karthus because he needs a bigger mana pool. the other option would be arch angels staff but then you can just get bursted down in lane.

RoA->sorcs->rabadons->void staff is pretty much the safest and most effective build for karthus.