When Kayn is in terrain near you, you will get a visual warning on the edge of the terrain he's in.
Umbral Trespass requires Kayn to damage a target first. Try to dodge Blade's Reach to deny him a long range cast of Umbral Trespass.
Damage Kayn while he's in Shadow Step to shorten its duration, or apply hard crowd control (stun, charm, knockup, etc) to end Shadow Step immediately.
The stat comparisons provided here underscore several important Rell vs. Kayn matchup statistics that can help us understand the differences between the pair. For instance, Rell’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Kayn’s ratio of NaN, showing that Rell may be more central to her team's team fighting effectiveness than Kayn. This observation is largely caused by the differences in assists.
Rell normally has a significantly smaller longest kill spree than her matchup does. On average, she receives less damage than Kayn. This typically indicates different amounts of tankyness, but it can also illustrate that the champion with higher health has less mobility and thus is unable to kite away from further harm when poked or engaged.
Both League of Legends champions are great. Both have their pros and cons. In the game's current meta, Rell usually fairs equally well when trying to fight Kayn, with a 49.0% win rate. Thus, Rell makes an ok counter for Kayn.
While Rell does have a lower win rate compared to Kayn, when they face off with one another, Rell also has a much lower learning curve that makes her a less time consuming champ to learn. You still need to be cautious when picking Rell into Kayn.
Furthermore, Rell also has a lot of CC and other utility, a similar amount to Kayn. This makes her just as valuable during teamfights, especially when facing champions with a lot of burst damage.
While there is not one best champion for every situation in League of Legends, in Rell vs Kayn matchups, Kayn is the better champion with a similar win rate, less champion complexity, and a similar amount of utility to help out your team members during team fights.
Rell is a somewhat poor counter for Kayn. Make sure you focus your actions on keeping up your gold income and taking out objectives. If you are able to do that, you should hold your own as Rell against Kayn.
If you would like to learn all of the intricacies of Rell to counter Kayn during both the early game and mid / late game phases of League of Legends, you should continue reading to learn a few extra tricks and insights into this matchup. If you mind the build and stats displayed above, you should grow your win rate significantly and be that much closer to League of Legends pro players.
Rell often gets a similar amount of CS relative to Kayn. Champions who typically don't get many minion kills often don't require much CS to be valuable teammates, such as supports. These kinds of champions are capable of scaling well off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically need several high cost items to be effective. In either case, try to do better than the numbers displayed here to do well.
The top items to use in your Rell versus Kayn build include Zeke's Convergence, Knight's Vow, and Solstice Sleigh. When Rell combined at least these three items in her build, she did much better against Kayn than with many other typical builds. In fact, Rell boasted an average winrate of 49.0% when playing against Kayn with this counter build.
To have the greatest chance of defeating Kayn as Rell, Rell players should use the Glacial Augment, Hextech Flashtraption, Biscuit Delivery, Cosmic Insight, Bone Plating, and Unflinching runes from the Inspiration and Resolve rune sets. Out of all the runes players picked for Rell vs Kayn counterpicks, this mixture of runes yielded the highest win rate. Notably, these runes gave a 49.0% winrate overall.
By default, tips, stats, and builds on how to beat Kayn as Rell are given for all skill levels combined. If you would like to narrow the statistics and builds to a specific player tier, you should use the selection menu located earlier in the counter matchup guide.