Make sure to take paths through brush when chasing opponents to take advantage of Rengar's passive.
Use Rengar's ultimate to find and assassinate high priority targets in team fights and skirmishes.
A lot of Rengar's power comes from empowered abilities he uses at the right moment - choose wisely!
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.
The Rengar Kai'Sa synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Kai'Sa, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Rengar sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Kai'Sa. His KDA went down from NaN to NaN. This drop shows that Kai'Sa helps Rengar perform worse in ranked League rounds. Yet, the small difference demonstrates that this performance change is only marginal.
When Rengar is paired with Kai'Sa, he observes a small decrease in his complete damage dealt. This could signal that Kai'Sa does not provide cover for him to dish out more damage or that her support also helps extend the game's duration. Similarly, when Rengar is played together with Kai'Sa on the same team, he usually scores many fewer killing sprees compared to when he plays without Kai'Sa. This is contrasting evidence that he is worse when playing alongside Kai'Sa.
Moreover, when Rengar plays with Kai'Sa on the same side, he usually takes a little less damage than when he plays alone. Taking not as much damage could mean that Kai'Sa does a decent job of covering Rengar during teamfights.
There is no perfect champion pairing for Rengar that will always be his ideal synergy. However, Kai'Sa is a very bad teammate for Rengar. By being on the same team as Rengar, she decreases their win rate by -4.1% to 44.9%. This shows that there is an easy to overcome and exploit bond between Rengar and Kai'Sa that results in them performing worse together than alone.
Kai'Sa has a lower difficulty than Rengar. That means Rengar players don't need to be careful when enlisting Kai'Sa teammates 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.
Fighting on the same side, you should witness an overall large increase in your team’s ability to dish out massive AD. Combined, these champions can tear through the other team with a lot of physcial damage.
Conversely, by grouping Rengar and Kai'Sa together, you will not be giving your other allies a lot of support. We recommend you pick other champions on your team that helps cover this disparity in this pairing's abilities.
Regardless of the ability of your Kai'Sa ally, you need to focus on increasing your gold income, warding to avoid ambushes, and taking down objectives. If you do this, you should do well anyway.
If you would like to truly master Rengar in order to pair well with Kai'Sa during both the lane and mid / late game phases of League of Legends matches, you should continue reading to pick up additional tricks and insights into this champion pairing. If you pay attention to the build and tips displayed here, you should increase your win rate by a lot.
The most important items to include in your Rengar and Kai'Sa synergy build include Youmuu's Ghostblade, Serylda's Grudge, and Opportunity. When Rengar bought at least these three pieces in his build, he performed significantly better when fighting alongside Kai'Sa than with many other typical builds. In fact, Rengar had an average winrate of 44.9% when playing alongside Kai'Sa with this build.
To have the greatest likelihood of annihilating your oponents, Rengar players should equip the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Sudden Impact, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Out of all the rune combinations players used for this champion pairing, this combination of runes yielded the highest win rate. Moreover, these runes gave a 44.9% win rate overall.
If you want to get Rengar with Kai'Sa cooperations tips and builds for a a specific division rank, feel free to select one from the selection menu displayed above. At first, the stats and build suggestions shown are calculated using every game completed with these champions.