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.
The stat comparisons provided here emphasize several significant Karthus vs. Naafiri counter statistics that may help you appreciate the differences between the pair. Karthus’s KDA ratio ([kills + assists] / deaths) of NaN is more than Naafiri’s KDA ratio of NaN, indicating that Karthus may be more central to his team's team fighting effectiveness than Naafiri..
Karthus typically has a slightly smaller longest kill spree than his foe does. Typically, he receives a similar amount of damage to Naafiri. This commonly reflects different amounts of tankyness, but it can also show that the champion with higher health has less agility and thus is not able to kite away from additional harm when poked or engaged.
Both LoL champs are great champions. Both have their strengths, weaknesses, and counters. In the game's current meta, Karthus usually loses when facing off against Naafiri, with a 43.0% win rate. As a result, Karthus makes a bad counter for Naafiri.
While Karthus does have a much lower winrate than Naafiri, when on opposite teams, Karthus also has a much greater learning curve that makes him a more complex character to pick up and master. You should expect to face a difficult match when picking Karthus into Naafirias his relative depth means that you may not be able to reach his full potential without a significant amount of practice beforehand.
Furthermore, Karthus also has some amount of utility and CC, a similar amount to Naafiri. This often makes her just as valuable during teamfights, especially when trying to counter champions with a ton of burst damage.
While there isn't one best champion in League of Legends, in Karthus vs Naafiri matchups, Naafiri is the better champion with a much lower win rate, more champion depth, and a similar amount of utility to help out your teammates during teamfights.
Karthus is a trash counter for Naafiri. You will do well by focussing your gameplay on maximizing your gold income and destroying objectives. If you are able to do that, you should hold your own as Karthus against Naafiri.
If you would like to learn all of the intricacies of Karthus to counter Naafiri 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 listen to the build and stats presented above, you will grow your win rate significantly and be closer to League of Legends pro players.
Karthus often racks up less CS relative to Naafiri. Champions who on average don't get much CS usualy don't have to have much CS to be effective, such as supports. They are able to scale properly off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically require a lot of items to be effective. In either situation, try to do better than the numbers shown here to do well.
The most crucial items to have in your Karthus versus Naafiri build include Malignance, Stormsurge, and Liandry's Torment. When Karthus included at least these three pieces in his build, he performed significantly better vs Naafiri than with many other typical counter builds. In fact, Karthus boasted an average win rate of 43.0% when playing against Naafiri with this counter build.
To have the highest chance of annihilating Naafiri as Karthus, Karthus players should use the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Eyeball Collection, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Out of all the rune builds we have analyed for Karthus vs Naafiri face-offs, this blending of runes resulted in the greatest win rate. Notably, these runes averaged a 43.0% win rate overall.
By default, tips, statistics, and builds on how to beat Naafiri as Karthus are shown for all skill levels combined. If you would like to scope the statistics and builds to a particular division, you should use the selection menu located earlier on the page.