Karthus Counter Pick
The Best Karthus Counter Picks in League of Legends, Ranked Boost recommends these picks due to their win condition and abilities.
Karthus is Weak Against
Statistically, these counter picks have a Higher Win Rate.
Karthus is Strong Against
Statistically, these champion picks have a Lower Win Rate.
Most Popular Matchups
League of Legends most often picked champions versus, this is often heavily influenced by champion popularity.