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.
Rengar's passive enables him to leap out of brush, so avoid fighting him when near bushes.
Rengar puts an indicator over the nearest enemy champion when he is camouflaged during his ultimate.
Rengar gains an empowered ability when his resource bar is full. Try to confront him when it's low.
The stats shown on this page show some critical Kai'Sa against Rengar counter stats that can help us interpret the differences between the two. Kai'Sa’s KDA ratio ([kills + assists] / deaths) of NaN is more than Rengar’s KDA ratio of NaN, indicating that Kai'Sa may be more central to her team's team fighting potential than Rengar..
Kai'Sa typically has a similar longest killing spree as her opponent does. Typically, she receives less damage than Rengar. This is usually reflective of different amounts of tankyness, yet it can also show that the champion with higher health has less mobility and thus is not able to flee from additional damage when poked or engaged.
Both League champions are great champions. Both champs have their pros and cons. In League's current meta, Kai'Sa usually loses when facing off against Rengar, with a 47.0% win rate. As a result, Kai'Sa makes a poor counter to Rengar.
While Kai'Sa does have a lower winrate compared to Rengar, when on opposite teams, Kai'Sa also has a lower level of difficulty that makes her a less challenging champion to learn and master. You should expect to face a difficult match when picking Kai'Sa into Rengar.
Moreover, Kai'Sa also has only a small amount of utility and CC, a similar amount to Rengar. This often makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there isn't one best champion overall in League of Legends, in Kai'Sa vs Rengar matchups, Rengar is the better champ with a much lower win rate, less champion complexity, and a similar amount of utility to help out your teammates during team fights.
Kai'Sa is a terribly counter for Rengar. You will do well by focussing your tactics on maximizing your gold and cs and taking out objectives. If you do that, you should be able to stand on your own as Kai'Sa against Rengar.
To truly master Kai'Sa in order to counter Rengar during both the lane and mid / late game phases of League of Legends, you should keep reading to pick up a few extra lessons on this matchup. If you listen to the build and suggestions displayed above, you should grow your win rate significantly and be closer to League of Legends pro players.
Kai'Sa often picks up much more CS as Rengar. Champions who typically don't earn much CS usualy don't have to have much CS to be effective, such as sup champs. They are able to scale well off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically have to have several high cost items to be effective. In either case, try to surpass the values displayed here to do well.
The most crucial items to have in your Kai'Sa versus Rengar build include Guinsoo's Rageblade, Kraken Slayer, and Navori Quickblades. When Kai'Sa used at least these three pieces in her build, she did significantly better vs Rengar than with most other common counter builds. In fact, Kai'Sa had an average winrate of 47.0% battling Rengar with this counter build.
To have the best probability of vanquishing Rengar as Kai'Sa, you should take the Hail of Blades, Taste of Blood, Eyeball Collection, Treasure Hunter, Biscuit Delivery, and Magical Footwear runes from the Domination and Inspiration rune sets. Of all the runes that we analyzed for Kai'Sa vs Rengar fights, this order of runes resulted in the highest win rate. In fact, these runes gave a 47.0% winrate overall.
By default, tips, statistics, and builds on how to beat Rengar as Kai'Sa are given for all ranked divisions combined. To filter the statistics and builds to a particular player tier, you should use the selection menu at the top of this page.