Make sure to buy items that will evolve at least 1 or 2 of your spells.
Work with your teammates to set up your Ultimate and optimize damage with your passive.
Try to catch enemy carries alone to burst them with Icathian Rain.
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 shown here feature some significant Kai'Sa versus Karthus matchup stats that may help us grasp the differences between the two. Kai'Sa’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Karthus’s ratio of NaN, indicating that Kai'Sa may be more central to her team's team fighting capability than Karthus..
Kai'Sa typically has a similar longest kill spree as her foe does. On average, she receives less damage than Karthus. This often reflects differing health capacities; however, it can also show that the one champ has less agility and thus is not able to escape further harm when engaged or poked.
Both League of Legends champs are great champions. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Kai'Sa usually fairs equally well when taking on Karthus, with a 49.4% win rate. As a result, Kai'Sa makes an ok counter to Karthus.
While Kai'Sa does have a lower win rate than Karthus, when they face off with one another, Kai'Sa also has a lower level of difficulty that makes her a less time consuming champ to learn and master. You still need to be cautious when picking Kai'Sa into Karthus.
Furthermore, Kai'Sa has only a small 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 lot of burst damage.
While there is not a single best champion overall in League of Legends, in Kai'Sa vs Karthus matchups, Karthus is the better champion with a similar win rate, less champion complexity, and a similar amount of utility to help out your allies during teamfights.
Kai'Sa is a somewhat poor counter to Karthus. Focus your tactics on keeping up your gold income and taking out objectives. If you can do that, you should hold your own as Kai'Sa against Karthus.
If you would like to learn all of the intricacies of Kai'Sa to counter Karthus during both the lane and mid / late game phases of League of Legends, you should keep reading to learn a few extra tips and tricks for this matchup. If you mind the build and tips presented above, you should increase your win rate significantly and be that much closer to League of Legends pro players.
Kai'Sa usually picks up more CS as Karthus. Champions who on average don't get many minion kills often don't require much CS to be valuable teammates, such as support champions. They are able to scale well off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically need several high cost items to be effective. In either case, try to surpass the numbers shown here to do well.
The ideal items to have in your Kai'Sa versus Karthus build consist of Wit's End, Guinsoo's Rageblade, and Kraken Slayer. When Kai'Sa combined at least these three pieces in her build, she did much better when fighting Karthus than with most other commonly used counter builds. In fact, Kai'Sa boasted an average winrate of 49.4% when countering Karthus with these items in her kit.
To have the highest likelihood of vanquishing Karthus as Kai'Sa, Kai'Sa players should use the Lethal Tempo, Presence of Mind, Legend: Bloodline, Coup de Grace, Biscuit Delivery, and Magical Footwear runes from the Precision and Inspiration rune sets. Out of all the runes players picked for Kai'Sa vs Karthus fights, this blending of runes yielded the highest win rate. Moreover, these runes provided a 49.4% win rate overall.
If you need to see Kai'Sa vs Karthus tips and builds for a a distinct division, please select one from the selection menu provided above. At first, the stats and strategies shown are computed using all rounds finished with these champions.