Remember that nearby enemies can see which wall you're in.
Look at the line-up of both your team and the enemy's team when picking your form.
It takes 6 spell casts for Kassadin's slow, Force Pulse, to become castable. If he levels up that ability, judiciously use your own skills while laning against him.
Kassadin deals mostly magic damage. If he's doing well consider buying magic resist items like Mercury's Treads and Banshee's Veil.
Each time Kassadin consecutively uses Riftwalk, he pays more and more mana. Keep this in mind as you chase him.
The stat comparisons shown on this page emphasize several strategic Kayn vs. Kassadin counter stats that can help us understand the differences between the pair. As an example, Kayn’s KDA ratio ([kills + assists] / deaths) of NaN is more than Kassadin’s KDA ratio of NaN, showing that Kayn may be more central to his team's team fighting effectiveness than Kassadin..
Kayn normally has a similar longest kill spree as his counter does. On average, he receives more damage than Kassadin. This is usually reflective of different amounts of tankyness, yet it can also hint that the champ with more HP has less mobility and thus is unable to escape further damage when poked or engaged.
Both League champions are great champions. Both champs have their strengths, weaknesses, and counters. In League's current meta, Kayn usually loses when taking on Kassadin, with a 48.4% win rate. Thus, Kayn makes a bad counter for Kassadin.
While Kayn does have a lower win rate compared to Kassadin, when on opposite teams, Kayn also has a greater difficulty level that makes him a more challenging champion to develop with. You should be careful when picking Kayn into Kassadinas his relative depth means that you may not be able to unleash his full potential without a lot of practice beforehand.
Additionally, Kayn has only a small amount of utility and CC, a similar amount to Kassadin. This makes her just as valuable during teamfights, especially when facing champions with a lot of burst damage.
While there isn't a single best champion overall in League of Legends, in Kayn vs Kassadin matchups, Kassadin is the better champion with a lower win rate, similar champion depth, and a similar amount of utility to help out your allies during team fights.
Kayn is a somewhat poor counter for Kassadin. Make sure you focus your tactics on increasing your gold and cs and taking out objectives. If you do that, you should be able to stand on your own as Kayn against Kassadin.
To truly master Kayn in order to counter Kassadin during both the early game and mid / late game phases of League of Legends, you should continue reading to gather a few extra tips and tricks for this matchup. If you listen to the build and suggestions shown above, you should increase your win rate significantly and be closer to League of Legends pro players.
Kayn usually gets a lot less CS compared to Kassadin. Champions who on average don't earn many minion kills typically don't require much CS to be valuable teammates, such as sup champs. These kinds of champions are capable of scaling properly off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, typically have to have many items to be effective. In either situation, try to do better than the values reported here to do well.
The most important items to focus on in your Kayn versus Kassadin build consist of Youmuu's Ghostblade, Axiom Arc, and Profane Hydra. When Kayn incorporated at least these three pieces in his build, he did a lot better versus Kassadin than with many other common builds. In fact, Kayn boasted an average win rate of 48.4% when countering Kassadin with this counter build.
To have the greatest probability of defeating Kassadin as Kayn, Kayn players should use the Dark Harvest, Sudden Impact, Eyeball Collection, Treasure Hunter, Magical Footwear, and Cosmic Insight runes from the Domination and Inspiration rune sets. Out of all the rune sets players used for Kayn vs Kassadin fights, this composite of runes yielded the best win rate. Notably, these runes provided a 48.4% winrate overall.
If you would like to view Kayn versus Kassadin tips and builds for a an individual rank, please select one from the selection menu displayed above. By default, the stats and guides given are calculated using every match run with these champs.