Last Breath can be cast on any target that is knocked Airborne, even by one of your allies.
Dash through a minion to have Sweeping Blade available to chase your opponent should they flee; Dash directly to your opponent to preserve a minion as your escape route.
At level 18, Yasuo's Steel Tempest reaches its Attack Speed cap with 55% Attack Speed from items.
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 stats provided here show several important Yasuo vs. Karthus counter statistics that may help us explain the differences between the two. As an example, Yasuo’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Karthus’s ratio of NaN, showing that Yasuo may be more central to his team's team fighting capability than Karthus..
Yasuo usually has a similar longest kill spree as his matchup does. On average, he takes a similar amount of damage to Karthus. This commonly reflects differing health capacities; however, it can also imply that the one champion has less mobility and thus is not able to escape additional harm when engaged or poked.
Both League champions are great. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Yasuo usually wins when facing off against Karthus, with a 52.8% win rate. As a result, Yasuo makes a good counter for Karthus.
While Yasuo does have a higher win rate compared to Karthus, when they face off with one another, Yasuo also has a much greater learning curve that makes him a more time consuming champ to pick up and master. You should be be fine when picking Yasuo into Karthusas his relative depth means that you may not be able to unleash his full potential without a lot of practice beforehand.
Moreover, Yasuo has almost no amount of utility and CC, a similar amount to Karthus. This makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there isn't one best champion in League of Legends, in Yasuo vs Karthus matchups, Yasuo 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 teamfights.
Yasuo is a good counter to Karthus. Make sure you focus your gameplay on keeping up your gold and cs and destroying objectives. If you are able to do that, you should do very well as Yasuo against Karthus.
If you would like to truly master Yasuo in order to counter Karthus during both the early game and mid / late game phases of League of Legends, you should keep reading to learn a few extra lessons on this matchup. If you mind the build and stats shown here, you will grow your win rate by a lot and be that much closer to League of Legends pro players.
Yasuo typically racks up more CS as Karthus. Champs who on average don't take many minion kills usualy don't have to have much CS to be valuable teammates, such as support champions. These kinds of champions are able to scale properly off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically require several high cost items to be effective. In either situation, try to do better than the numbers shown here to do well.
The most important items to focus on in your Yasuo versus Karthus build include Blade of The Ruined King, Kraken Slayer, and Immortal Shieldbow. When Yasuo bought at least these three pieces in his build, he performed significantly better versus Karthus than with most other typical builds. In fact, Yasuo boasted an average win rate of 52.8% battling Karthus with this build.
To have the highest likelihood of annihilating Karthus as Yasuo, you should use the Lethal Tempo, Triumph, Legend: Alacrity, Last Stand, Second Wind, and Unflinching runes from the Precision and Resolve rune sets. Out of all the rune combinations we have analyed for Yasuo vs Karthus counter picks, this mix of runes yielded the highest win rate. Notably, these runes averaged a 52.8% winrate overall.
By default, tips, statistics, and builds on how to beat Karthus as Yasuo are given for all skill levels combined. To narrow the stats and builds to a particular player tier, you should use the selection menu located above.