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.
Cleavers are a powerful tool for killing neutral monsters. Instead of returning to base, farm neutral monsters until your ultimate can heal you.
A well-timed Sadism can bait enemy champions into attacking you even when they lack the damage to finish you.
Spirit Visage will increase the healing done by your ultimate and lower cooldowns on all of your abilities.
The Karthus Dr. Mundo synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Dr. Mundo, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Karthus sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Dr. Mundo. His KDA went down from NaN to NaN. This decrease shows that Dr. Mundo helps Karthus perform poorer in competitive League of Legends matches. Yet, the small difference proves that this performance change is only marginal.
When Karthus is an ally to Dr. Mundo, he sees a marginal improvement in his full damage dealt. This difference may indicate that Dr. Mundo helps provide cover for him to deal more damage or that his participation also helps extend the match's duration. Similarly, when Karthus is played together with Dr. Mundo on the same side, he usually scores many fewer killing sprees than when he plays on his own. This is contrasting evidence that he is worse when playing with Dr. Mundo.
Moreover, when Karthus plays with Dr. Mundo on the same side, he typically receives a little more damage than when he fights alone. Taking more damage could mean that Dr. Mundo does a poor job of protecting Karthus during team fights.
There is no top ally for Karthus that will no matter what be his #1 synergy. Yet, overall, Dr. Mundo is a very typical companion for Karthus. By locking into the same team as Karthus, he increases their win rate by 0.7% to 48.0%. This shows that there is a weak bond between Karthus and Dr. Mundo that allows them to perform better together than alone.
Dr. Mundo has a lower difficulty than Karthus. That means Karthus players don't need to be very careful when arranging Dr. Mundo comrades to fight alongside, as they will have to have a relatively low level of skill to do well with you.
When playing cooperatively, Karthus players should witness an overall large increase in your team’s ability to deal magic damage. Together, these champions can deal quite a lot of AP type damage.
In contrast, by grouping Karthus and Dr. Mundo together, you may not be granting your team very much AD. Make sure to pick other champs on your team that offsets this relative hole in this pairing's abilities.
Regardless of the ability of your Dr. Mundo teammate, you need to focus on increasing your income, outlasting your enemies, and clearing objectives. If you follow these simple suggestions, you will do well, regardless.
To truly master Karthus to pair well with Dr. Mundo during both the laning and mid / late game phases of League, you should continue reading to master additional tips and tricks for this champion pairing. If you listen to the build and stats shown here, you will grow your win rate by a lot.
The top items to get in your Karthus and Dr. Mundo synergy build include Rabadon's Deathcap, Malignance, and Liandry's Torment. When Karthus incorporated at least these three pieces in his build, he did much better when paired up with Dr. Mundo than with many other commonly used builds. In fact, Karthus boasted an average winrate of 48.0% helping carry Dr. Mundo with this build.
To have the greatest chance of beating your oponents, 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. Out of all the runes that we analyzed for this team composition, this order of runes resulted in the highest win rate. Notably, these runes provided a 48.0% winrate overall.
If you would like to view Karthus with Dr. Mundo cooperations tips and builds for a an individual skill level, please select one from the selection menu shown above. If viewing for the first time, the statistics and guides shown are computed using every round finished with these champs.