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.
Grand Challenge allows Fiora to take down even the most durable opponents and then recover if successful, so do not hesitate to attack the enemy's front line.
Thanks to Duelist's Dance, Fiora excels at quick trades. Use the Move Speed boost from striking a Vital to escape unscathed or set up for the next one.
The Karthus Fiora synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Fiora, 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 Fiora. His KDA worsened from NaN to NaN. This drop shows that Fiora helps Karthus perform worse in ranked LoL rounds. Yet, the small difference shows that this performance change is not very impactful.
When Karthus tries to synergize with Fiora, he observes a little decrease in his complete damage output. This change could demonstrate that Fiora does not provide cover for him to dish out more damage or that her allyship also helps increase the game's duration. Similarly, when Karthus is played with Fiora on the same side, he usually scores many fewer killing sprees than when he plays on his own. This is contrasting evidence that he is worse when playing synergisticly with Fiora.
Additionally, when Karthus plays with Fiora on the same side, he usually receives a little less damage than when he plays alone. Getting dealt not as much damage may indicate that Fiora does a decent job of covering Karthus in team fights.
There is no perfect synergy for Karthus that will no matter what be his ideal teammate. However, Fiora is a very typical teammate for Karthus. By being on the same side as Karthus, she decreases their win rate by -0.2% to 47.1%. This clearly indicates that there is a weak strategic relationship between Karthus and Fiora that allows them to perform worse together than without each other.
Fiora has a much lower diffuclty than Karthus. That means you don't need to be very careful when arranging Fiora allies to play with, as they will need a much lower level of skill to be able to fight well with you.
When playing alongside, Karthus players will likely observe an overall large increase in your team’s ability to dish out massive AD. Combined, these champs can tear through the other team with a lot of physcial damage.
In contrast, by bringing Karthus and Fiora together, you will not be providing your side much tankyness. We recommend you include other champs on your team that neutralizes this gap in this pairing's kit.
Regardless of your Fiora ally's ability, you should focus on increasing your income, staying alive by avoiding foolish fights, and taking down objectives. If you do this, you will do well, regardless.
To learn all of the intricacies of Karthus to work well with Fiora during both the laning and mid / late game phases of League matches, you should keep reading to pick up some more tricks and insights into this champion pairing. If you mind the build and suggestions presented here, you will increase your win rate by a lot.
The best items to get in your Karthus and Fiora synergy build include Malignance, Stormsurge, and Liandry's Torment. When Karthus used at least these three great items in his build, he did significantly better when paired up with Fiora than with most other typical item sets. In fact, Karthus boasted an average winrate of 47.1% helping carry Fiora with these items in his kit.
To have the greatest probability of annihilating your oponents, you should use the Dark Harvest, Cheap Shot, Eyeball Collection, Ultimate Hunter, Presence of Mind, and Last Stand runes from the Domination and Precision rune sets. Of all the runes players used for this team composition, this combo of runes resulted in the best win rate. In fact, these runes averaged a 47.1% win rate overall.
By default, tips, stats, and builds on how to team up Fiora with Karthus are shown for all skill levels, merged. To scope the statistics and builds to a distinct rank, you may use the selection menu at the top of this page.