Chronobreak is a potent escape tool, but it can also be quite powerful when used offensively. Don't underestimate its damage potential.
If you can proc Z-Drive Resonance on an enemy champion, it's worth taking risks to do so. The bonus Move Speed makes it easy to escape.
Phase Dive's dash is a great tool for setting up Ekko's other abilities. Use it to get double hits with Timewinder or get into position to detonate Parallel Convergence.
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 Ekko 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, Ekko sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Karthus. His KDA went down from NaN to NaN. This fall shows that Karthus helps Ekko perform poorer in ranked League of Legends matches. Yet, the small difference proves that this performance change is not very impactful.
When Ekko plays on the same team as Karthus, he sees a marginal improvement in his total damage output. This difference may demonstrate that Karthus supports by providing cover for him to dish out more damage or that his presence also helps extend the game's duration. Similarly, when Ekko is played with Karthus on the same side, he usually scores many fewer killing sprees than when he plays without Karthus. This is contrasting evidence that he is worse when playing alongside Karthus.
Moreover, when Ekko 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 Ekko during team fights.
There is no one best companion for Ekko that will 100% of the time be his top ally. However, overall, Karthus is a below average companion for Ekko. By being on the same side as Ekko, he decreases their win rate by -2.1% to 48.9%. This shows that there is a negative bond between Ekko and Karthus that results in them performing worse together than without each other.
Karthus has a lower difficulty than Ekko. That means you don't need to be cautious when finding Karthus teammates to fight alongside, as they will need a relatively low level of skill to do well with you.
Working together, you should witness an overall large increase in your team’s capacity to deal magical damage. Together, these champs are able to dish out a surprising amount of magic type damage.
In contrast, by bringing Ekko and Karthus together, you will not be granting your other teammates much cover. Make sure to bring other champs on your team that offsets this relative disparity in this pairing's capabilities.
Regardless of the ability of your Karthus teammate, you should focus on increasing your income, staying alive by avoiding foolish fights, and clearing objectives. If you heed this simple advice, you should do well anyway.
To learn all of the intricacies of Ekko to pair well with Karthus during both the lane and mid / late game phases of League games, you should keep reading to pick up a few extra tips and tricks for this champion pairing. If you mind the build and stats presented above, you will grow your win rate significantly.
The best items to have in your Ekko and Karthus synergy build consist of Rabadon's Deathcap, Lich Bane, and Hextech Rocketbelt. When Ekko incorporated at least these three items in his build, he performed much better when paired up with Karthus than with most other common builds. In fact, Ekko had an average winrate of 48.9% when synergizing his build and playstyle to Karthus with this build.
To have the highest chance of crushing your oponents, you should use the Electrocute, Sudden Impact, Eyeball Collection, Treasure Hunter, Absolute Focus, and Gathering Storm runes from the Domination and Sorcery rune sets. Of all the rune builds players picked for this team composition, this mix of runes yielded the greatest win rate. Moreover, these runes averaged a 48.9% winrate overall.
If you would like to get Ekko and Karthus synergy tips and stats for a a distinct division, feel free to choose one from the selection menu shown above. At first, the stats and tips and suggestions given are computed using every round completed with these champs.