Veigar is extremely Mana and Cooldown Reduction dependent. Try buying items with these stats in order to increase the effectiveness of your passive and Baleful Strike.
Veigar is very fragile. It is valuable to select at least one summoner spell that can be used defensively.
Use Event Horizon to increase your chances of landing Dark Matter.
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 stat comparisons shown on this page feature some important Veigar versus Karthus matchup stats that may help us figure out the distinctions between this pair of champions. Veigar’s KDA ratio ([kills + assists] / deaths) of NaN is better than Karthus’s KDA ratio of NaN, showing that Veigar may be more central to his team's team fighting potential than Karthus..
Veigar often has a similar longest kill spree as his opponent does. On average, he takes less damage than Karthus. This commonly reflects differing health capacities, yet it can also hint that the one champ has less mobility and thus is not able to kite away from further harm when engaged or poked.
Both LoL champions are great champions. Both champs have their pros and cons. In the game's current meta, Veigar usually fairs equally well when trying to fight Karthus, with a 50.9% win rate. As a result, Veigar makes an ok counter for Karthus.
While Veigar does have a higher win rate compared to Karthus, when on opposite teams, Veigar also has a greater difficulty level that makes him a more complex champ to develop with. You should be careful when picking Veigar into Karthusas his relative depth means that you may not be able to unleash his full potential without a lot of practice beforehand.
Moreover, Veigar has a good amount of CC and other utility, a similar amount to Karthus. This makes her just as valuable during team fights, especially when facing champions with a ton of burst damage.
While there isn't a single best champion overall in League of Legends, in Veigar vs Karthus matchups, Veigar is the better champion with a similar win rate, similar champion depth, and a similar amount of utility to help out your teammates during late stage team fights.
Veigar is a decent counter for Karthus. Focus your tactics on maximizing your CS and taking out objectives. If you can do that, you should hold your own as Veigar against Karthus.
If you would like to learn all of the intricacies of Veigar to counter Karthus during both the laning and mid / late game phases of League of Legends, you should continue reading to gather a few extra tricks and insights into this matchup. If you pay attention to the build and tips displayed above, you should increase your win rate by a lot and be that much closer to League of Legends pro players.
Veigar most often racks up more CS relative to Karthus. Champs who typically don't earn much CS usualy don't have to have much CS to be valuable teammates, such as support champions. These kinds of champions are capable of scaling properly off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually need a lot of items to be effective. In either case, try to exceed the numbers shown here to do well.
The ideal items to prioritize in your Veigar versus Karthus build include Rabadon's Deathcap, Stormsurge, and Luden's Companion. When Veigar combined at least these three pieces in his build, he performed a lot better vs. Karthus than with many other commonly used builds. In fact, Veigar had an average win rate of 50.9% when playing against Karthus with this counter build.
To have the best likelihood of annihilating Karthus as Veigar, Veigar players should take the First Strike, Magical Footwear, Biscuit Delivery, Cosmic Insight, Manaflow Band, and Transcendence runes from the Inspiration and Sorcery rune sets. Out of all the rune combinations players picked for Veigar vs Karthus matchups, this mixture of runes yielded the greatest win rate. In fact, these runes provided a 50.9% winrate overall.
If you need to see Veigar versus Karthus tips and counter builds for a a specific player tier, feel free to choose one from the selection menu provided above. By default, the statistics and guides displayed are calculated using every match completed with both champions.