Talk:Katarina/@comment-4331907-20110905020042/@comment-128.227.55.98-20110906194751

AP costs about half as much as AD, roughly. (You also get better other stats from AP items, typically. A glass cannon mage tends to have a lot more HP and armor than a glass cannon AD, unless they've gone full retard and have boots, Rabadon, and 4 AAS)