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.
You can land an initial Mark of the Storm debuff on an opponent with Thundering Shuriken, and then add to it with Electrical Surge.
Lightning Rush can be used to initiate fights with its Energy return component, allowing him to use other abilities afterward.
You can stun your opponents by inflicting 3 Marks of the Storm upon them.
The Karthus Kennen synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Kennen, 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 large worsening in his KDA (ratio of kills and assists to deaths) when paired with Kennen. His KDA went down from NaN to NaN. This negative change shows that Kennen helps Karthus perform poorer in ranked LoL games. Yet, the small difference shows that this performance change is not very impactful.
When Karthus tries to synergize with Kennen, he observes a small decrease in his total damage dealt. This change may indicate that Kennen does not help protection for him to deal more damage or that his participation also helps extend the game's duration. Similarly, when Karthus is played together with Kennen on the same side, he usually scores many fewer killing sprees compared to when he plays on his own. This is contrasting evidence that he is worse when playing alongside Kennen.
Additionally, when Karthus plays with Kennen on the same side, he on average takes a little more damage than when he fights alone. Taking more damage could mean that Kennen does a poor job of covering Karthus in team fights.
There is no perfect champion pairing for Karthus that will 100% of the time be his top synergy. However, Kennen is a terrible ally for Karthus. By being on the same side as Karthus, he decreases their win rate by -4.5% to 42.8%. This demonstrates that there is a terrible bond between Karthus and Kennen that allows them to perform worse together than without each other.
Kennen has a much lower diffuclty than Karthus. That means Karthus players don't need to be cautious when enlisting Kennen teammates to fight alongside, as they will need a much lower level of skill to do well with you.
Fighting together, Karthus players will likely observe an overall large increase in your team’s ability to deal magic damage. Together, these champions can blast through enemies with magic damage.
In contrast, by pairing Karthus and Kennen together, you will not be providing your other allies a great deal of engage potential. Plan to bring other champs on your team that offsets this hole in their playstyle.
Regardless of the skill of your Kennen teammate, you need to focus on maximizing your income, outlasting your enemies, and taking down objectives. If you follow these simple suggestions, you will do well, regardless.
To truly master Karthus in order to synergize with Kennen during both the laning and mid / late game phases of League of Legends matches, you should continue reading to master additional lessons on this champion pairing. If you listen to the build and stats presented here, you should grow your win rate by a lot.
The ideal items to focus on in your Karthus and Kennen synergy build include Rabadon's Deathcap, Malignance, and Liandry's Torment. When Karthus included at least these three great items in his build, he did a lot better when paired up with Kennen than with most other common builds. In fact, Karthus had an average win rate of 42.8% when synergizing his build and playstyle to Kennen with these items in his kit.
To have the highest chance of vanquishing your oponents, you 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 rune builds players chose for this team composition, this combination of runes yielded the top win rate. In fact, these runes gave a 42.8% win rate overall.
By default, tips, stats, and builds on how to team up Kennen with Karthus are presented for every ranked division. If you would like to scope the stats and builds to a specific rank, you may use the selection menu located earlier on the page.