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.
Smoke Screen can be used both to escape and to set up a kill.
Using Quickdraw to get into range and delivering a point blank Buckshot can do lots of damage.
The Karthus Graves synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Graves, 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 Graves. His KDA worsened from NaN to NaN. This drop shows that Graves helps Karthus perform not as well in competitive LoL rounds. Yet, the small difference proves that this performance change is only marginal.
When Karthus tries to synergize with Graves, he gets a barely noticable drop in his complete damage output. This change may indicate that Graves doesn't help cover for him to dish out more damage or that his support also helps increase the round's duration. Similarly, when Karthus is played together with Graves on the same team, he usually scores many fewer killing sprees compared to when he plays without Graves. This is contrasting evidence that he is worse when playing with Graves.
Additionally, when Karthus plays with Graves on the same side, he typically takes much less damage than when he plays alone. Receiving not as much damage could indicate that Graves does a decent job of protecting Karthus in teamfights.
There is no ideal champion pairing for Karthus that will no matter what be his top ally. Yet, Graves is a very typical companion for Karthus. By playing on the same team as Karthus, he improves their win rate by 0.8% to 48.1%. This signals that there is only a small bond between Karthus and Graves that allows them to perform at the top of their game together than without each other.
Graves has a much lower diffuclty than Karthus. That means you don't need to be careful when finding Graves comrades to play with, as they will have to have a much lower level of skill to be able to play well with you.
Fighting cooperatively, Karthus players should expect to see an overall large increase in your team’s capability to to do a lot of AP damage. When paired, these two can deal quite a lot of AP type damage.
In contrast, by aligning Karthus and Graves together, you may not be granting your other allies much crowd control. Make sure to bring other champions on your team that fills this relative hole in this pairing's kit.
Regardless of the skill of your Graves ally, you should focus on increasing your gold income, staying alive by avoiding foolish fights, and taking down objectives. If you follow these simple suggestions, you will do well, regardless.
If you would like to truly master Karthus in order to work well with Graves during both the early game and mid / late game phases of League of Legends, you should continue reading to master a few extra tips and tricks for this champion pairing. If you listen to the build and tips displayed above, you will increase your win rate significantly.
The top finished items to have in your Karthus and Graves synergy build include Rabadon's Deathcap, Malignance, and Liandry's Torment. When Karthus included at least these three pieces in his build, he did a lot better when paired up with Graves than with most other typical item sets. In fact, Karthus boasted an average winrate of 48.1% when playing alongside Graves with these items in his kit.
To have the best probability of annihilating your oponents, Karthus players should equip the Dark Harvest, Cheap Shot, Eyeball Collection, Ultimate Hunter, Gathering Storm, and Transcendence runes from the Domination and Sorcery rune sets. Of all the rune combinations that we analyzed for this champion pairing, this set of runes resulted in the top win rate. Moreover, these runes averaged a 48.1% win rate overall.
By default, tips, statistics, and builds on how to pair Graves with Karthus are given for all ranked divisions combined. If you want to narrow the statistics and builds to a specific rank, you should use the selection menu at the top of this page.