Despair is very effective against other tanks, so make sure you're in range of opponents with the highest Health.
Amumu is highly dependent on teammates, so try laning with your friends for maximum effectiveness.
Cooldown Reduction on Amumu is very strong, but it's often difficult to itemize for it. Grab the Golem buff whenever possible to gain Cooldown Reduction without sacrificing stats.
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 Amumu 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, Amumu sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Karthus. His KDA decreased from NaN to NaN. This negative change shows that Karthus helps Amumu perform poorer in ranked LoL matches. Yet, the small difference proves that this performance change is not very impactful.
When Amumu is paired with Karthus, he sees a little drop in his full damage dealt. This difference could signal that Karthus does not provide cover for him to deal more damage or that his presence on the team also helps increase the match's duration. Similarly, when Amumu is played with Karthus on the same team, he usually scores many fewer killing sprees than when he plays on his own. This is contrasting evidence that he is worse when playing alongside Karthus.
Additionally, when Amumu plays with Karthus on the same team, he often receives a little less damage than when he fights alone. Getting dealt not as much damage could indicate that Karthus does a decent job of protecting Amumu during team fights.
There is no top ally for Amumu that will always be his ideal teammate. Yet, Karthus is a not very good ally for Amumu. By locking into the same side as Amumu, he lowers their win rate by -2.0% to 47.0%. This clearly indicates that there is a negative bond between Amumu and Karthus that results in them performing not as well together than without each other.
Karthus has a much greater difficulty compared to Amumu. That means Amumu players need to be careful when arranging Karthus allies to fight alongside, as they will have to have a much greater level of skill to be able to fight well with you.
Fighting cooperatively, Amumu players should expect to witness an overall large increase in your team’s ability to deal magic damage. Together, these champs can deal quite a lot of AP type damage.
In contrast, by aligning Amumu and Karthus together, you may not be giving your other teammates a great deal of attack damage. We recommend you pick other champs on your team that offsets this gap in their potential.
Regardless of the ability of your Karthus teammate, you should focus on increasing your gold income, outlasting your enemies, and clearing objectives. If you follow these simple suggestions, you will do well, regardless.
To learn all of the intricacies of Amumu in order to work well with Karthus during both the early game and mid / late game phases of League, you should keep reading to learn a few extra tricks and insights into this champion pairing. If you pay attention to the build and tips presented above, you will grow your win rate by a lot.
The top items to focus on in your Amumu and Karthus synergy build include Sunfire Aegis, Thornmail, and Jak'Sho, The Protean. When Amumu included at least these three pieces in his build, he performed significantly better when paired up with Karthus than with most other common item sets. In fact, Amumu had an average winrate of 47.0% when playing alongside Karthus with these items in his kit.
To have the greatest likelihood of defeating your oponents, you should equip the Aftershock, Font of Life, Bone Plating, Unflinching, Cheap Shot, and Ultimate Hunter runes from the Resolve and Domination rune sets. Out of all the runes players picked for Amumu and Karthus pairings, this composite of runes resulted in the highest win rate. Moreover, these runes averaged a 47.0% win rate overall.
If you would like to get Amumu with Karthus cooperations tips and builds for a an individual player tier, feel free to select one from the selection menu displayed above. By default, the statistics and strategies given are computed using all rounds with data with these champs.