Make sure to buy items that will evolve at least 1 or 2 of your spells.
Work with your teammates to set up your Ultimate and optimize damage with your passive.
Try to catch enemy carries alone to burst them with Icathian Rain.
Use Demacian Standard as a scouting tool when worried about incoming enemies.
You can use the Dragon Strike / Demacian Standard combo to get out of your own Cataclysm arenas.
Split your basic attacks on different champions at the beginning of fights to maximize damage.
The Kai'Sa Jarvan IV synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Jarvan IV, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, Kai'Sa sees a large worsening in her KDA (ratio of kills and assists to deaths) when paired with Jarvan IV. His KDA decreased from NaN to NaN. This drop shows that Jarvan IV helps Kai'Sa perform poorer in ranked League of Legends rounds. Yet, the small difference indicates that this performance change is only marginal.
When Kai'Sa is an ally to Jarvan IV, she observes a small increase in her complete damage output. This change could signal that Jarvan IV supports by providing cover for her to dish out more damage or that his support also helps extend the round's duration. Similarly, when Kai'Sa is played alongside Jarvan IV on the same team, he usually scores many fewer killing sprees than when she plays on his own. This is contrasting evidence that she is worse when playing alongside Jarvan IV.
Additionally, when Kai'Sa plays with Jarvan IV on the same team, she on average receives a little less damage than when she plays alone. Taking not as much damage may mean that Jarvan IV does a decent job of covering Kai'Sa during teamfights.
There is no one best companion for Kai'Sa that will no matter what be her #1 teammate. Yet, overall, Jarvan IV is a very typical companion for Kai'Sa. By locking into the same team as Kai'Sa, he raises their win rate by 0.1% to 46.6%. This clearly indicates that there is not really a strong strategic relationship between Kai'Sa and Jarvan IV that allows them to perform stronger together than without each other.
Jarvan IV has a lower difficulty than Kai'Sa. That means Kai'Sa players don't need to be careful when enlisting Jarvan IV allies to go into battle on the same side as, as they will have to have a relatively low level of skill to be able to do well with you.
Working cooperatively, Kai'Sa players should expect to see an overall large increase in your team’s capacity to destroy wih physical damage. Together, these two should be able to take down targets with auto-attacks and other AD damage abilities.
Although, by pairing Kai'Sa and Jarvan IV together, you may not be giving your side enough utility. Plan to include other champions on your team that neutralizes this hole in this pairing's abilities.
Regardless of your Jarvan IV ally's skill level, you need to focus on increasing your gold income, warding to avoid ambushes, and taking down objectives. If you heed this simple advice, you should do well anyway.
To truly master Kai'Sa to work well with Jarvan IV during both the laning and mid / late game phases of League, you should continue reading to master additional lessons on this champion pairing. If you listen to the build and suggestions shown above, you will increase your win rate by a lot.
The ideal items to have in your Kai'Sa and Jarvan IV synergy build consist of Nashor's Tooth, Guinsoo's Rageblade, and Kraken Slayer. When Kai'Sa used at least these three items in her build, she did much better when paired up with Jarvan IV than with most other typical item sets. In fact, Kai'Sa had an average winrate of 46.6% when playing alongside Jarvan IV with this build.
To have the best likelihood of annihilating your oponents, Kai'Sa players should take the Lethal Tempo, Presence of Mind, Legend: Bloodline, Coup de Grace, Biscuit Delivery, and Magical Footwear runes from the Precision and Inspiration rune sets. Of all the runes players picked for this team composition, this combo of runes yielded the top win rate. In fact, these runes averaged a 46.6% winrate overall.
By default, tips, stats, and builds on how to synergize Jarvan IV with Kai'Sa are presented for all skill levels combined. If you would like to scope the stats and builds to an individual player tier, you can use the selection menu at the top of this page.