User blog comment:Sarkis KHorozian/Karthus edits/@comment-4080931-20120419223251/@comment-3450702-20120421093039

10-12 seconds is way UP, he should be able to use it twice in his death form. But maybe change the base damage to be lower and his scale to be higher to put him on par with other mages lategame. Nowadays everyone just plays Karthus as AD and that's not the intention.