Melee allies can stack Frost for your Permafrost, keep an eye on who they are attacking.
Save Glacial Prison for encounters where you have teammates present to take advantage of it.
Use Arctic Assault to escape bad situations, interupt channeled spells or chase runners.
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 provided here emphasize several vital Sejuani against Kai'Sa matchup statistics that may help you distinguish the distinctions between the two. Sejuani’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Kai'Sa’s KDA ratio of NaN, demonstrating that Sejuani may be more central to her team's team fighting potential than Kai'Sa. This observation is largely fueled by the differences in assists.
Sejuani normally has a significantly smaller longest kill spree than her matchup does. On average, she takes more damage than Kai'Sa. This commonly reflects differing health capacities, but it can also hint that the champion with more HP has less agility and thus is not able to kite away from further damage when engaged or poked.
Both League champions are great. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Sejuani usually fairs equally well when trying to fight Kai'Sa, with a 49.6% win rate. Therefore, Sejuani makes an ok counter to Kai'Sa.
While Sejuani does have a lower winrate than Kai'Sa, when on opposite teams, Sejuani also has a lower level of difficulty that makes her a less time consuming champion to learn. You should be careful when picking Sejuani into Kai'Sa.
Furthermore, Sejuani also has a good amount of utility and CC, a similar amount to Kai'Sa. This makes her just as valuable during team fights, especially when fighting champions with a lot of burst damage.
While there isn't one best champion in League of Legends, in Sejuani vs Kai'Sa matchups, Kai'Sa is the better champ with a similar win rate, less champion complexity, and a similar amount of utility to help out your team members during late stage team fights.
Sejuani is a somewhat poor counter to Kai'Sa. Make sure you focus your tactics on keeping up your gold and cs and clearing objectives. If you are able to do that, you should hold your own as Sejuani against Kai'Sa.
If you would like to learn all of the intricacies of Sejuani in order to counter Kai'Sa during both the early game and mid / late game phases of League of Legends, you should keep reading to learn a few extra tricks and insights into this matchup. If you pay attention to the build and stats displayed here, you will grow your win rate significantly and be closer to League of Legends pro players.
Sejuani most often accumulates a lot less CS as Kai'Sa. Champs who on average don't earn many minion kills typically don't require much CS to be effective, such as sup champs. They are able to scale properly off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, usually require several high cost items to be effective. In either case, try to do better than the numbers reported here to do well.
The ideal items to have in your Sejuani versus Kai'Sa build include Kaenic Rookern, Sunfire Aegis, and Thornmail. When Sejuani bought at least these three items in her build, she performed much better when fighting Kai'Sa than with most other commonly used item sets. In fact, Sejuani had an average winrate of 49.6% battling Kai'Sa with this counter build.
To have the best probability of annihilating Kai'Sa as Sejuani, you should take the Aftershock, Font of Life, Conditioning, Overgrowth, Legend: Alacrity, and Triumph runes from the Resolve and Precision rune sets. Out of all the rune combinations we have analyed for Sejuani vs Kai'Sa clashes, this blending of runes yielded the best win rate. Moreover, these runes averaged a 49.6% winrate overall.
If you want to get Sejuani versus Kai'Sa tips and counter stats for a a particular division, feel free to choose one from the selection menu displayed above. By default, the stats and strategies given are computed using all rounds with data with both champions.