Paying attention to last hitting with Siphoning Strike will have a large impact at the end of a game.
If you're solo, Spirit Fire is a great way to farm a lane. It can be bad if you're in a lane with 2 and you push too far. Find the right balance between Siphoning Strike last hits and AoE farming.
If you have low defenses, people will focus you down even during your ultimate. Try buying some survivability items even in your DPS builds.
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 shown here underscore several critical Nasus versus Karthus counter stats that may help us interpret the differences between the two. Nasus’s KDA ratio ([kills + assists] / deaths) of NaN is better than Karthus’s ratio of NaN, demonstrating that Nasus may be more central to his team's team fighting capability than Karthus..
Nasus usually has a slightly smaller longest killing spree than his matchup does. Typically, he takes more damage than Karthus. This typically indicates differing health capacities; however, it can also hint that the champ with more health has less agility and thus is unable to kite away from further damage when poked or engaged.
Both League champions are great champions. Both champs have their strengths, weaknesses, and counters. In League's current meta, Nasus usually wins when taking on Karthus, with a 55.4% win rate. Thus, Nasus makes a fantastic counter for Karthus.
While Nasus does have a much higher win rate than Karthus, when they face off with one another, Nasus also has a lower learning curve that makes him a less complex champion to learn and master. You don't need to be too worried when picking Nasus into Karthus.
Furthermore, Nasus 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 facing champions with a ton of burst damage.
While there is not one best champion in League of Legends, in Nasus vs Karthus matchups, Nasus is the better champion with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your allies during teamfights.
Nasus is a great counter to Karthus. You will do well by focussing your play on increasing your gold income and clearing objectives. If you can do that, you should hold your own as Nasus against Karthus.
To truly master Nasus to counter Karthus during both the laning and mid / late game phases of League of Legends, you should keep reading to learn a few extra lessons on this matchup. If you listen to the build and stats presented above, you should grow your win rate significantly and be that much closer to League of Legends pro players.
Nasus on average picks up more CS compared to Karthus. Champs who on average don't get many minion kills typically don't require much CS to be valuable teammates, such as sup champs. They are able to scale well off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically need several high cost items to be effective. In either situation, try to do better than the numbers shown here to do well.
The best items to focus on in your Nasus versus Karthus build include Spirit Visage, Trinity Force, and Jak'Sho, The Protean. When Nasus bought at least these three items in his build, he did much better countering Karthus than with many other commonly used counter builds. In fact, Nasus had an average winrate of 55.4% battling Karthus with this build.
To have the highest likelihood of defeating Karthus as Nasus, Nasus players should equip the Fleet Footwork, Triumph, Legend: Tenacity, Last Stand, Second Wind, and Unflinching runes from the Precision and Resolve rune sets. Of all the rune combinations we have analyed for Nasus vs Karthus battles, this set of runes yielded the greatest win rate. Notably, these runes averaged a 55.4% win rate overall.
If you would like to view Nasus versus Karthus tips and builds for a an individual division, feel free to select one from the selection menu shown above. At first, the statistics and strategies displayed are calculated using every match finished with both champions.