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 shown on this page feature some valuable Karthus versus Yuumi counter statistics that can help us understand the differences and similarities between the two. Karthus’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Yuumi’s KDA ratio of NaN, highlighting that Karthus may be more central to his team's team fighting capability than Yuumi. This observation is in large part fueled by the differences in killsdeaths.
Karthus often has a much larger longest kill spree than his foe does. Commonly, he receives more damage than Yuumi. This is usually reflective of differing health capacities; however, it can also show that the one champion has less agility and thus is unable to escape further harm when poked or engaged.
Both League champs are great. Both champs have their pros and cons. In League's current meta, Karthus usually wins when facing off against Yuumi, with a 60.1% win rate. Therefore, Karthus makes a fantastic counter for Yuumi.
While Karthus does have a much higher winrate than Yuumi, when facing one another, Karthus also has a much greater difficulty level that makes him a more challenging champ to learn. You should be be fine when picking Karthus into Yuumias his relative depth means you may not be able to reach his full potential without a significant amount of practice beforehand.
Additionally, Karthus also has some amount of utility and CC, a similar amount to Yuumi. This often makes her just as valuable during team fights, especially when trying to counter champions with a lot of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Karthus vs Yuumi matchups, Karthus is the better champion with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your teammates during late stage team fights.
Karthus is a great counter for Yuumi. You will do well by focussing your tactics on increasing your gold income and clearing objectives. If you do that, you should be able to stand on your own as Karthus against Yuumi.
To learn all of the intricacies of Karthus to counter Yuumi during both the early game and mid / late game phases of League of Legends, you should keep reading to learn a few extra tricks and insights into this matchup. If you mind the build and suggestions presented here, you should increase your win rate significantly and be that much closer to League of Legends pro players.
Karthus typically racks up much more CS relative to Yuumi. Champions who on average don't get many minion kills typically don't have to have much CS to be effective, such as sup champs. These kinds of champions are capable of scaling well off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, often need several high cost items to be effective. In either situation, try to surpass the values displayed here to do well.
The top items to have in your Karthus versus Yuumi build consist of Liandry's Anguish, Rabadon's Deathcap, and Shadowflame. When Karthus included at least these three pieces in his build, he performed much better when fighting Yuumi than with most other common builds. In fact, Karthus had an average winrate of 60.1% battling Yuumi with these items in his kit.
To have the greatest chance of coming out on top against Yuumi as Karthus, Karthus players should equip the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Eyeball Collection, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Of all the rune sets that we analyzed for Karthus vs Yuumi LoL games, this mixture of runes resulted in the highest win rate. Moreover, these runes averaged a 60.1% win rate overall.
If you want to see Karthus vs Yuumi tips and counter stats for a a distinct player tier, feel free to choose one from the selection menu shown above. At first, the statistics and strategies displayed are computed using every match run with these champs.