Hitting multiple champions with the same ability can help quickly activate Darkness Rise.
Offense is your defense. Keep fighting to build up larger Indestructible shields.
Use Realm of Death on a low health enemy to guarantee the kill and keep their stats for the rest of a teamfight.
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 Mordekaiser 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, Mordekaiser sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Karthus. His KDA worsened from NaN to NaN. This negative change shows that Karthus helps Mordekaiser perform worse in competitive League games. Yet, the small difference indicates that this performance change is not very impactful.
When Mordekaiser tries to synergize with Karthus, he sees a small increase in his complete damage dealt. This change could signal that Karthus supports by providing cover for him to dish out more damage or that his support also helps extend the match's duration. Similarly, when Mordekaiser is played together with 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 alongside Karthus.
Moreover, when Mordekaiser plays with Karthus on the same team, he usually receives a little more damage than when he plays alone. Taking more damage could indicate that Karthus does a poor job of covering Mordekaiser during team fights.
There is no perfect companion for Mordekaiser that will 100% of the time be his ideal teammate. However, overall, Karthus is a very bad companion for Mordekaiser. By locking into the same team as Mordekaiser, he lowers their win rate by -3.2% to 49.3%. This demonstrates that there is an easy to overcome and exploit bond between Mordekaiser and Karthus that results in them performing worse together than without each other.
Karthus has a greater difficulty than Mordekaiser. That means Mordekaiser players need to be careful when lining up Karthus teammates to play with, as they will require a greater level of skill to be able to work well with you.
Fighting alongside, Mordekaiser players should expect to observe an overall large increase in your team’s ability to deal magical damage. Together, these two are able to dish out a surprising amount of magic type damage.
Although, by bringing Mordekaiser and Karthus together, you will not be giving your other teammates a lot of sustained damage output. Make sure to bring other champions on your team that helps cover this gap in this pairing's abilities.
Regardless of your Karthus ally's ability, you should focus on maximizing your gold income, staying alive by avoiding foolish fights, and clearing objectives. If you heed this simple advice, you will do well anyway.
To truly master Mordekaiser in order to synergize with Karthus during both the laning and mid / late game phases of League rounds, you should continue reading to gather some more tips and tricks for this champion pairing. If you use the build and suggestions shown above, you will grow your win rate by a lot.
The most important items to get in your Mordekaiser and Karthus synergy build include Spirit Visage, Riftmaker, and Liandry's Torment. When Mordekaiser bought at least these three items in his build, he performed much better when fighting alongside Karthus than with most other typical item sets. In fact, Mordekaiser boasted an average winrate of 49.3% when synergizing his build and playstyle to Karthus with these items in his kit.
To have the best chance of crushing your oponents, you should take the Conqueror, Triumph, Legend: Tenacity, Last Stand, Bone Plating, and Revitalize runes from the Precision and Resolve rune sets. Of all the rune builds players chose for this champion pairing, this order of runes yielded the best win rate. Moreover, these runes gave a 49.3% win rate overall.
If you want to get Mordekaiser with Karthus synergy tips and stats for a an individual skill level, please choose one from the selection menu displayed above. If viewing for the first time, the stats and tips and suggestions displayed are computed using all rounds played with both champions.