Infinite Duress (R)'s distance scales with any Move Speed you gain, even from ally buffs and summoner spells.
Follow your Blood Hunt trails to low health enemy champions.
Jaws of the Beast (Q) will follow enemies who run, dash or teleport if you keep the button held down.
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 emphasize some vital Warwick versus Karthus counter stats that may help you understand the differences between the two. As an example, Warwick’s KDA ratio ([kills + assists] / deaths) of NaN is better than Karthus’s KDA ratio of NaN, showing that Warwick may be more central to his team's team fighting capability than Karthus..
Warwick often has a similar longest kill spree as his opponent does. On average, he takes more damage than Karthus. This commonly reflects differing health capacities; however, it can also indicate that the champion with more HP has less mobility and thus is unable to flee from further damage when engaged or poked.
Both League of Legends champions are great champions. Both champs have their pros and cons. In the game's current meta, Warwick usually fairs equally well when trying to fight Karthus, with a 50.6% win rate. As a result, Warwick makes an ok counter for Karthus.
While Warwick does have a higher win rate compared to Karthus, when they face off with one another, Warwick also has a much lower level of difficulty that makes him a less difficult character to learn. You should be careful when picking Warwick into Karthus.
Additionally, Warwick has some amount of utility and CC, a similar amount to Karthus. This often makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there is not a single best champion in League of Legends, in Warwick vs Karthus matchups, Warwick is the better champ with a similar win rate, less champion complexity, and a similar amount of utility to help out your teammates during team fights.
Warwick is a decent counter to Karthus. You will do well by focussing your actions on increasing your gold and cs and clearing objectives. If you do that, you should hold your own as Warwick against Karthus.
If you would like to truly master Warwick to counter Karthus during both the lane and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tricks and insights into this matchup. If you mind the build and suggestions presented above, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Warwick usually accumulates less CS as Karthus. Champs who on average don't acquire much CS often don't need much CS to be effective, such as support champions. They are able to scale well off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, often require many items to be effective. In either case, try to do better than the values shown here to do well.
The best items to have in your Warwick versus Karthus build include Spirit Visage, Thornmail, and Titanic Hydra. When Warwick included at least these three pieces in his build, he performed much better versus Karthus than with most other commonly used builds. In fact, Warwick boasted an average win rate of 50.6% battling Karthus with this build.
To have the best chance of crushing Karthus as Warwick, Warwick players should equip the Lethal Tempo, Triumph, Legend: Alacrity, Last Stand, Celerity, and Waterwalking runes from the Precision and Sorcery rune sets. Out of all the runes that we analyzed for Warwick vs Karthus clashes, this blending of runes resulted in the highest win rate. Moreover, these runes gave a 50.6% win rate overall.
If you want to see Warwick x Karthus tips and counter builds for a a specific rank, feel free to choose one from the selection menu displayed above. At first, the stats and guides displayed are computed using every game finished with both champs.