Talk:Karthus/@comment-24.130.202.31-20110814215419/@comment-4184629-20110816201131

yes, it is very core, and also yes, you want to complete it a) when you have a sustainable build and the extra gold or b) late game when you have mana and need that extra AP boost. A lot of people suggest two archangels on him, though I feel you are giving up some sustain that way.