Talk:Karthus/@comment-125.60.241.233-20110911150110/@comment-4434378-20110915171343

Either Cloth + 5 or Blue Elixer + 6, you need defensive masteries and some flat AP runes. It does force you to a screwy build, but its always funny when the enemy has no idea when your ult will come.

Get a leash at blue and spam Q so that it only hits the large golem so you get double damage.