Udyr is one of the best junglers in the game. Taking advantage of this can give your team a large XP advantage and map control.
Damage is applied to turtle shield post-mitigation. Therefore, buying defensive items can drastically increase your survivability.
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 on this page clarify some valuable Udyr versus Karthus counter statistics that can help us distinguish the distinctions between the two. Udyr’s KDA ratio ([kills + assists] / deaths) of NaN is more than Karthus’s KDA ratio of NaN, demonstrating that Udyr may be more central to his team's team fighting capacity than Karthus..
Udyr often has a similar longest kill spree as his opponent does. Typically, he receives more damage than Karthus. This often reflects differing health capacities, but it can also show that the champion with higher HP has less agility and thus is not able to kite away from additional harm when poked or engaged.
Both League of Legends champions are great. Both have their pros and cons. In League's current meta, Udyr usually wins when trying to fight Karthus, with a 54.1% win rate. Thus, Udyr makes a great counter to Karthus.
While Udyr does have a much higher win rate compared to Karthus, when on opposite teams, Udyr also has a greater difficulty level that makes him a more difficult champion to learn and master. You don't need to be too worried when picking Udyr into Karthusas his relative depth means that you may not be able to unleash his full potential without a lot of practice beforehand.
Additionally, Udyr also has some amount of utility and CC, a similar amount to Karthus. This makes her just as valuable during team fights, especially when fighting champions with a lot of burst damage.
While there isn't one best champion for every situation in League of Legends, in Udyr vs Karthus matchups, Udyr is the better champion with a noticably higher win rate, similar champion depth, and a similar amount of utility to help out your team members during late stage team fights.
Udyr is a great counter to Karthus. You will do well by focussing your play on keeping up your CS and destroying objectives. If you do that, you should be able to stand on your own as Udyr against Karthus.
To truly master Udyr in order to counter Karthus during both the early game and mid / late game phases of League of Legends, you should continue reading to pick up a few extra lessons on this matchup. If you pay attention to the build and tips displayed above, you will grow your win rate by a lot and be that much closer to League of Legends pro players.
Udyr on average picks up a similar amount of CS compared to Karthus. Champs who typically don't acquire much CS usualy don't need much CS to be effective, such as support champions. These kinds of champions 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, usually have to have a lot of items to be effective. In either situation, try to exceed the numbers displayed on this page to do well.
The ideal items to use in your Udyr versus Karthus build include Dead Man's Plate, Liandry's Torment, and Jak'Sho, The Protean. When Udyr included at least these three pieces in his build, he did much better when fighting Karthus than with many other commonly used builds. In fact, Udyr had an average win rate of 54.1% battling Karthus with these items in his kit.
To have the greatest probability of defeating Karthus as Udyr, Udyr players should use the Conqueror, Triumph, Legend: Tenacity, Last Stand, Conditioning, and Unflinching runes from the Precision and Resolve rune sets. Out of all the rune combinations players picked for Udyr vs Karthus fights, this sequence of runes yielded the highest win rate. In fact, these runes gave a 54.1% win rate overall.
If you want to see Udyr x Karthus tips and counter stats for a a distinct division, feel free to select one from the selection menu displayed above. If viewing for the first time, the statistics and strategies displayed are computed using all matches with data with both champs.