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 stats shown here underscore several important Rell against Kai'Sa matchup stats that can help you distinguish the distinctions between this set of champions. For instance, Rell’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Kai'Sa’s ratio of NaN, highlighting that Rell may be more central to her team's team fighting potential than Kai'Sa. This observation is in large part fueled by the differences in assists.
Rell normally has a significantly smaller longest killing spree than her foe does. Commonly, she takes a similar amount of damage to Kai'Sa. This is usually reflective of differing health capacities, yet it can also indicate that the champion with more health has less agility and thus is not able to kite away from additional damage when engaged or poked.
Both League champs are great. Both champs have their pros and cons. In the game's current meta, Rell usually wins when playing against Kai'Sa, with a 51.5% win rate. Therefore, Rell makes a good counter for Kai'Sa.
While Rell does have a higher winrate compared to Kai'Sa, when they face off with one another, Rell also has a much lower level of difficulty that makes her a less complex champ to pick up and master. You should be careful when picking Rell into Kai'Sa.
Moreover, Rell also has a lot of CC and other utility, a similar amount to Kai'Sa. This makes her just as valuable during team fights, especially when trying to counter champions with a lot of burst damage.
While there isn't one best champion for every situation in League of Legends, in Rell vs Kai'Sa matchups, Rell is the better champ with a higher win rate, less champion complexity, and a similar amount of utility to help out your allied champions during late stage team fights.
Rell is a decent counter to Kai'Sa. Focus your gameplay on maximizing your CS and taking out objectives. If you are able to do that, you should be able to stand on your own as Rell against Kai'Sa.
To learn all of the intricacies of Rell to counter Kai'Sa during both the laning and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you pay attention to the build and stats shown above, you should increase your win rate by a lot and be closer to League of Legends pro players.
Rell typically picks up a lot less CS as Kai'Sa. Champions who typically don't acquire much CS usualy don't have to have much CS to be valuable teammates, such as support champions. They are capable of scaling well off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, typically need several high cost items to be effective. In either situation, try to do better than the numbers reported here to do well.
The top items to have in your Rell versus Kai'Sa build consist of Trailblazer, Locket of the Iron Solari, and Solstice Sleigh. When Rell incorporated at least these three pieces in her build, she did much better versus Kai'Sa than with many other commonly used builds. In fact, Rell had an average winrate of 51.5% battling Kai'Sa with this counter build.
To have the best probability of annihilating Kai'Sa as Rell, you should take the Glacial Augment, Hextech Flashtraption, Biscuit Delivery, Cosmic Insight, Bone Plating, and Unflinching runes from the Inspiration and Resolve rune sets. Of all the rune sets that we analyzed for Rell vs Kai'Sa matchups, this sequence of runes resulted in the greatest win rate. In fact, these runes gave a 51.5% winrate overall.
By default, tips, statistics, and builds on how to beat Kai'Sa as Rell are given for every ranked division. If you would like to filter the statistics and builds to a distinct player tier, you should use the selection menu located earlier in the counter matchup guide.