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!
Kai'Sa is very vulnerable to getting outranged by mages and long range carries.
Make sure to place wards in your blind spots so you can see Kai'Sa coming.
Kai'Sa is very good at picking off isolated enemies. Stick together against her.
The stat comparisons shown here highlight several influential Rengar vs. Kai'Sa counter stats that may help us explain the distinctions between the pair. As an example, Rengar’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Kai'Sa’s KDA ratio of NaN, indicating that Rengar may be more central to his team's team fighting effectiveness than Kai'Sa..
Rengar usually has a similar longest killing spree as his counter does. Typically, he receives more damage than Kai'Sa. This often reflects different amounts of tankyness, but it can also indicate that the one champion has less mobility and thus is unable to kite away from further damage when poked or engaged.
Both League champions are great champions. Both have their strengths, weaknesses, and counters. In the game's current meta, Rengar usually wins when facing off against Kai'Sa, with a 53.0% win rate. Thus, Rengar makes a good counter to Kai'Sa.
While Rengar does have a higher win rate compared to Kai'Sa, when facing one another, Rengar also has a greater level of difficulty that makes him a more challenging champ to learn and master. You don't need to be too worried when picking Rengar into Kai'Saas his relative depth means that you may not be able to reach his full potential without a significant amount of practice beforehand.
Moreover, Rengar also has only a small amount of utility and CC, a similar amount to Kai'Sa. This often makes her just as valuable during teamfights, especially when trying to counter champions with a ton of burst damage.
While there isn't a single best champion overall in League of Legends, in Rengar vs Kai'Sa matchups, Rengar is the better champion with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your teammates during teamfights.
Rengar is an above average counter to Kai'Sa. You will do well by focussing your tactics on maximizing your gold income and taking out objectives. If you are able to do that, you should hold your own as Rengar against Kai'Sa.
To truly master Rengar to counter Kai'Sa during both the early game and mid / late game phases of League of Legends, you should continue reading to gather a few extra lessons on this matchup. If you mind the build and suggestions presented here, you will increase your win rate by a lot and be closer to League of Legends pro players.
Rengar typically racks up a lot less CS relative to Kai'Sa. Champs who typically don't take many minion kills often don't need much CS to be effective, such as supports. These kinds of champions are capable of scaling properly off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, usually need many items to be effective. In either situation, try to exceed the values shown on this page to do well.
The top items to prioritize in your Rengar versus Kai'Sa build consist of Youmuu's Ghostblade, Hubris, and Opportunity. When Rengar combined at least these three items in his build, he performed much better countering Kai'Sa than with most other commonly used item sets. In fact, Rengar had an average win rate of 53.0% when countering Kai'Sa with this counter build.
To have the highest probability of vanquishing Kai'Sa as Rengar, you should equip the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Sudden Impact, and Relentless Hunter runes from the Inspiration and Domination rune sets. Out of all the rune combinations we have analyed for Rengar vs Kai'Sa fights, this combo of runes resulted in the best win rate. Moreover, these runes gave a 53.0% winrate overall.
By default, tips, stats, and builds on how to beat Kai'Sa as Rengar are displayed for all skill levels combined. To filter the statistics and builds to an individual skill level, you may use the selection menu located earlier in the counter matchup guide.