-10%
+5%
Death Defied Duration changed to 5 seconds.
Karthus has a 51.1% ARAM win rate on patch 14.20 over 44,031 games. In this page you will find all the most popular and successful Karthus ARAM builds, along with their runes, items, summoner spells, skill order, starting items and win rates. This page is updated every hour to have the most accurate and up to date information.
Karthus's most popular build is building Malignance as a first item and using Dark Harvest as their rune. Karthus has a 50.3% win rate when building this.
This is a scrollable list of all the most popular Karthus ARAM builds. You can click on the one you want to see more details about and the rest of the sections will update accordingly.