Lay Waste is very strong at farming minions and harassing enemy champions.
Ask your allies to help point out when you should use Requiem to get kills in different lanes.
When Leona activates Eclipse, you have three seconds to get away from her before she deals damage.
Only foes in the center of Solar Flare get stunned, so you can often avoid this if you're quick.
The stat comparisons shown here highlight several important Karthus against Leona counter statistics that may help us grasp the differences between the pair. Karthus’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Leona’s ratio of NaN, demonstrating that Karthus may be more central to his team's team fighting capability than Leona. This observation is in large part caused by the difference in kills.
Karthus often has a much larger longest killing spree than his enemy does. Commonly, he receives more damage than Leona. This typically indicates different amounts of tankyness, yet it can also indicate that the one champion has less mobility and thus is not able to flee from further damage when engaged or poked.
Both League champions are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Karthus usually loses when taking on Leona, with a 48.2% win rate. As a result, Karthus makes a poor counter to Leona.
While Karthus does have a lower win rate compared to Leona, when facing one another, Karthus also has a much greater level of difficulty that makes him a more complex champ to pick up and master. You still need to be cautious when picking Karthus into Leonaas his relative depth means you may not be able to reach his full potential without a lot of practice beforehand.
Additionally, Karthus also has some amount of utility and CC, a similar amount to Leona. This makes her just as valuable during teamfights, especially when facing champions with a ton of burst damage.
While there isn't one best champion for every situation in League of Legends, in Karthus vs Leona matchups, Leona is the better champ with a lower win rate, more champion depth, and a similar amount of utility to help out your allied champions during late stage team fights.
Karthus is a somewhat poor counter to Leona. You will do well by focussing your strategy on increasing your gold and cs and clearing objectives. If you can do that, you should hold your own as Karthus against Leona.
If you would like to truly master Karthus in order to counter Leona during both the laning and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tricks and insights into this matchup. If you pay attention to the build and stats shown here, you should grow your win rate significantly and be that much closer to League of Legends pro players.
Karthus on average gets more CS compared to Leona. Champions who typically don't acquire many minion kills often don't have to have much CS to be effective, such as support champions. These kinds of champions are able to scale properly off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically have to have a lot of items to be effective. In either case, try to exceed the numbers displayed here to do well.
The most important items to use in your Karthus versus Leona build include Rabadon's Deathcap, Malignance, and Stormsurge. When Karthus bought at least these three pieces in his build, he performed significantly better vs Leona than with many other commonly used item sets. In fact, Karthus boasted an average winrate of 48.2% when countering Leona with this build.
To have the greatest likelihood of beating Leona as Karthus, Karthus players should take the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Eyeball Collection, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Of all the runes that we analyzed for Karthus vs Leona fights, this set of runes resulted in the best win rate. Moreover, these runes averaged a 48.2% win rate overall.
By default, tips, statistics, and builds on how to beat Leona as Karthus are shown for all ranked divisions. If you want to filter the stats and builds to a specific rank, you should use the selection menu located above.