Remember that nearby enemies can see which wall you're in.
Look at the line-up of both your team and the enemy's team when picking your form.
Karthus can cast spells for a short duration after he is killed. Move away from his corpse to be safe.
Make sure you always have enough health to survive Requiem, even if you have to go back to the base more frequently to heal.
The stat comparisons provided here clarify several influential Kayn vs. Karthus matchup statistics that can help you interpret the distinctions between this set of champs. Kayn’s KDA ratio ([kills + assists] / deaths) of NaN is more than Karthus’s ratio of NaN, indicating that Kayn may be more central to his team's team fighting capacity than Karthus..
Kayn usually has a similar longest killing spree as his enemy does. Commonly, he takes more damage than Karthus. This often reflects differing health capacities, but it can also show that the champion with more HP has less mobility and thus is not able to escape additional damage when poked or engaged.
Both LoL champions are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Kayn usually wins when trying to fight Karthus, with a 52.3% win rate. Thus, Kayn makes a good counter for Karthus.
While Kayn does have a higher win rate compared to Karthus, when facing one another, Kayn also has a greater difficulty level that makes him a more difficult character to pick up and master. You should be be fine when picking Kayn into Karthusas his relative depth means that you may not be able to reach his full potential without a lot of practice beforehand.
Moreover, Kayn has almost no amount of utility and CC, a similar amount to Karthus. This often makes her just as valuable during team fights, especially when trying to counter champions with a ton of burst damage.
While there isn't one best champion overall in League of Legends, in Kayn vs Karthus matchups, Kayn is the better champ with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your allies during late stage team fights.
Kayn is a good counter for Karthus. Make sure you focus your play on increasing your gold income and clearing objectives. If you are able to do that, you should be able to stand on your own as Kayn against Karthus.
If you would like to learn all of the intricacies of Kayn in order to counter Karthus during both the lane 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 listen to the build and suggestions presented above, you will increase your win rate significantly and be that much closer to League of Legends pro players.
Kayn typically gets less CS compared to Karthus. Champs who on average don't take many minion kills typically don't need much CS to be valuable teammates, such as supports. These kinds of champions are able to scale well off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually need many items to be effective. In either case, try to do better than the numbers reported on this page to do well.
The ideal items to focus on in your Kayn versus Karthus build include Axiom Arc, Profane Hydra, and Opportunity. When Kayn incorporated at least these three pieces in his build, he performed a lot better when fighting Karthus than with most other common builds. In fact, Kayn boasted an average winrate of 52.3% when playing against Karthus with this build.
To have the highest chance of annihilating Karthus as Kayn, you should equip the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Sudden Impact, and Treasure Hunter runes from the Inspiration and Domination rune sets. Out of all the rune sets we have analyed for Kayn vs Karthus counters, this sequence of runes yielded the greatest win rate. In fact, these runes gave a 52.3% win rate overall.
If you want to see Kayn vs Karthus tips and counter builds for a an individual division rank, please select one from the selection menu displayed above. At first, the statistics and strategies displayed are calculated using all matches completed with both champs.