Make sure to buy items that will evolve at least 1 or 2 of your spells.
Work with your teammates to set up your Ultimate and optimize damage with your passive.
Try to catch enemy carries alone to burst them with Icathian Rain.
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.
The Kai'Sa Sejuani synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Sejuani, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, Kai'Sa sees a very large drop in her KDA (ratio of kills and assists to deaths) when paired with Sejuani. His KDA decreased from NaN to NaN. This negative change shows that Sejuani helps Kai'Sa perform worse in ranked LoL matches. Yet, the small difference shows that this performance change is only marginal.
When Kai'Sa is paired with Sejuani, she gets a small increase in her full damage output. This difference could demonstrate that Sejuani helps provide protection for her to dish out more damage or that her presence on the team also helps extend the match's duration. Similarly, when Kai'Sa is played alongside Sejuani on the same side, he usually scores many fewer killing sprees than when she plays on his own. This is contrasting evidence that she is worse when playing synergisticly with Sejuani.
Moreover, when Kai'Sa plays with Sejuani on the same side, she on average takes a little more damage than when she fights alone. Getting dealt more damage may mean that Sejuani does a poor job of protecting Kai'Sa in teamfights.
There is no top companion for Kai'Sa that will no matter what be her top synergy. Yet, overall, Sejuani is a terrible teammate for Kai'Sa. By being on the same team as Kai'Sa, she drops their win rate by -4.3% to 42.2%. This demonstrates that there is a very bad bond between Kai'Sa and Sejuani that results in them performing worse together than without each other.
Sejuani has a lower difficulty than Kai'Sa. That means Kai'Sa players don't need to be careful when finding Sejuani teammates to go into battle on the same side as, as they will have to have a lower level of skill to work well with you.
When playing together, Kai'Sa players will likely see an overall large increase in your team’s capacity to destroy wih physical damage. Together, these champions can tear through the other team with a lot of physcial damage.
Conversely, by bringing Kai'Sa and Sejuani together, you may not be providing your side a lot of utility. Make sure to bring other champions on your team that helps cover this hole in their capabilities.
Regardless of the skill of your Sejuani ally, you need to focus on maximizing your gold income, outlasting your enemies, and taking down objectives. If you do this, you will do well, regardless.
If you would like to learn all of the intricacies of Kai'Sa in order to work well with Sejuani during both the early game and mid / late game phases of LoL matches, you should continue reading to master a few extra lessons on this champion pairing. If you pay attention to the build and suggestions presented here, you will grow your win rate significantly.
The top items to have in your Kai'Sa and Sejuani synergy build consist of Wit's End, Guinsoo's Rageblade, and Kraken Slayer. When Kai'Sa combined at least these three great items in her build, she performed much better when fighting alongside Sejuani than with many other commonly used builds. In fact, Kai'Sa had an average win rate of 42.2% when playing alongside Sejuani with these items in her kit.
To have the greatest probability of vanquishing your oponents, you should use the Hail of Blades, Taste of Blood, Eyeball Collection, Treasure Hunter, Biscuit Delivery, and Magical Footwear runes from the Domination and Inspiration rune sets. Of all the rune builds players chose for this champion pairing, this mix of runes yielded the highest win rate. Moreover, these runes provided a 42.2% win rate overall.
If you want to view Kai'Sa with Sejuani collaboration tips and builds for a a distinct division rank, please choose one from the selection menu above. If viewing for the first time, the stats and guides given are computed using all games run with these champs.