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.
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 Veigar Karthus synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Karthus, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Veigar sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Karthus. His KDA worsened from NaN to NaN. This decrease shows that Karthus helps Veigar perform not as well in ranked League of Legends rounds. Yet, the small difference indicates that this performance change is not very impactful.
When Veigar tries to synergize with Karthus, he sees a small decrease in his total damage dealt. This change may demonstrate that Karthus does not help protection for him to deal more damage or that his presence also helps extend the round's duration. Similarly, when Veigar is played alongside Karthus on the same team, he usually scores many fewer killing sprees compared to when he plays without Karthus. This is contrasting evidence that he is worse when playing synergisticly with Karthus.
Additionally, when Veigar plays with Karthus on the same team, he often receives more damage than when he plays alone. Receiving more damage could mean that Karthus does a poor job of covering Veigar during team fights.
There is no ideal champion pairing for Veigar that will 100% of the time be his #1 ally. Yet, overall, Karthus is a very bad companion for Veigar. By playing on the same side as Veigar, he drops their win rate by -4.2% to 45.1%. This signals that there is an easy to overcome and exploit strategic relationship between Veigar and Karthus that allows them to perform worse together than alone.
Karthus has a lower difficulty than Veigar. That means Veigar players don't need to be careful when arranging Karthus teammates to play with, as they will require a lower level of skill to be able to do well with you.
Fighting alongside, Veigar players should see an overall large increase in your team’s capability to deal magic damage. Together, these champs can deal quite a lot of AP type damage.
Although, by grouping Veigar and Karthus together, you may not be granting your other allies much AD. Make sure to include other champions on your team that offsets this relative hole in this pairing's abilities.
Regardless of your Karthus ally's skill level, you need to focus on increasing your income, warding to avoid ambushes, and taking down objectives. If you heed this simple advice, you will do well anyway.
If you would like to learn all of the intricacies of Veigar to work well with Karthus during both the lane and mid / late game phases of League of Legends, you should continue reading to gather additional tricks and insights into this champion pairing. If you mind the build and suggestions shown here, you should increase your win rate by a lot.
The most crucial finished items to prioritize in your Veigar and Karthus synergy build include Rabadon's Deathcap, Shadowflame, and Luden's Companion. When Veigar bought at least these three great items in his build, he did a lot better when fighting alongside Karthus than with many other commonly used item sets. In fact, Veigar had an average win rate of 45.1% when synergizing his build and playstyle to Karthus with these items in his kit.
To have the greatest probability of beating your oponents, Veigar players should equip the First Strike, Magical Footwear, Biscuit Delivery, Cosmic Insight, Manaflow Band, and Transcendence runes from the Inspiration and Sorcery rune sets. Of all the rune combinations players chose for Veigar and Karthus pairings, this order of runes yielded the best win rate. Notably, these runes provided a 45.1% winrate overall.
If you want to view Veigar with Karthus cooperations tips and builds for a an individual division, please select one from the selection menu shown above. At first, the stats and build suggestions displayed are calculated using every match run with both champs.