Lead your enemy when targeting with Noxious Blast to ensure the hit.
Use Twin Fang on poisoned stationary targets like monsters and units stunned by her Petrifying Gaze for maximum damage.
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 shown on this page highlight some significant Cassiopeia against Kayn matchup statistics that may help us explain the differences between the two. As an example, Cassiopeia’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Kayn’s KDA ratio of NaN, demonstrating that Cassiopeia may be more central to her team's team fighting effectiveness than Kayn..
Cassiopeia normally has a similar longest kill spree as her opponent does. Typically, she takes less damage than Kayn. This typically indicates differing health capacities; however, it can also hint that the one champion has less agility and thus is not able to escape further harm when engaged or poked.
Both LoL champs are great champions. Both champs have their pros and cons. In League's current meta, Cassiopeia usually fairs equally well when taking on Kayn, with a 50.8% win rate. Therefore, Cassiopeia makes an ok counter to Kayn.
While Cassiopeia does have a higher win rate than Kayn, when they face off with one another, Cassiopeia also has a greater learning curve that makes her a more time consuming champ to learn. You should be careful when picking Cassiopeia into Kaynas her relative depth means that you may not be able to unleash her full potential without a lot of practice beforehand.
Moreover, Cassiopeia also has a good amount of utility and CC, a similar amount to Kayn. This makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there is not a single best champion for every situation in League of Legends, in Cassiopeia vs Kayn matchups, Cassiopeia is the better champion with a similar win rate, more champion depth, and a similar amount of utility to help out your allies during late stage team fights.
Cassiopeia is a decent counter for Kayn. Focus your actions on maximizing your gold income and taking out objectives. If you can do that, you should hold your own as Cassiopeia against Kayn.
If you would like to learn all of the intricacies of Cassiopeia in order to counter Kayn during both the lane and mid / late game phases of League of Legends, you should keep reading to learn a few extra tips and tricks for this matchup. If you listen to the build and suggestions shown here, you will grow your win rate significantly and be closer to League of Legends pro players.
Cassiopeia most often gets much more CS relative to Kayn. Champions who on average don't take much CS typically don't need much CS to be effective, such as support champions. These kinds of champions are able to scale properly off of their skills, stats, and first items alone. Yet, champs with a lot of CS, such as hyper-carries, typically need a lot of items to be effective. In either case, try to exceed the values displayed on this page to do well.
The ideal items to have in your Cassiopeia versus Kayn build include Seraph's Embrace, Rabadon's Deathcap, and Rylai's Crystal Scepter. When Cassiopeia used at least these three pieces in her build, she performed significantly better vs. Kayn than with many other commonly used item sets. In fact, Cassiopeia boasted an average winrate of 50.8% when playing against Kayn with this build.
To have the highest probability of beating Kayn as Cassiopeia, Cassiopeia players should equip the Conqueror, Presence of Mind, Legend: Tenacity, Last Stand, Manaflow Band, and Transcendence runes from the Precision and Sorcery rune sets. Out of all the rune combinations that we analyzed for Cassiopeia vs Kayn face-offs, this combination of runes resulted in the greatest win rate. In fact, these runes gave a 50.8% win rate overall.
If you need to view Cassiopeia versus Kayn tips and matchup stats and build suggestions for a a particular division rank, feel free to select one from the selection menu shown above. If viewing for the first time, the statistics and build suggestions shown are calculated using all rounds completed with these champions.