Kassadin's ultimate has many uses and is on a shorter cooldown than most, use it often.
Kassadin has multiple item paths; he can go caster via Mana and Ability Power or anti-caster with Cooldown Reduction and Magic Resist.
Try to get the Ancient Golem buff to counteract Riftwalk's increasing Mana cost.
Xayah's attacks and abilities leave Feathers on the ground that she can later recall for massive area damage and control.
Xayah can use Featherstorm to dodge almost any ability while also creating a ton of Feathers. Try to utilize the offensive and defensive aspects of this ability.
The Kassadin Xayah synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Xayah, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Kassadin sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Xayah. His KDA went down from NaN to NaN. This fall shows that Xayah helps Kassadin perform worse in competitive League matches. Yet, the small difference proves that this performance change is only marginal.
When Kassadin is an ally to Xayah, he observes a barely noticable drop in his total damage dealt. This change could demonstrate that Xayah doesn't help cover for him to dish out more damage or that her allyship also helps extend the round's duration. Similarly, when Kassadin is played alongside Xayah on the same side, he usually scores many fewer killing sprees than when he plays without Xayah. This is contrasting evidence that he is worse when playing with Xayah.
Additionally, when Kassadin plays with Xayah on the same side, he usually receives a little less damage than when he fights alone. Receiving not as much damage may indicate that Xayah does a decent job of protecting Kassadin in team fights.
There is no perfect companion for Kassadin that will 100% of the time be his ideal ally. However, Xayah is a below average teammate for Kassadin. By playing on the same team as Kassadin, she decreases their win rate by -1.8% to 48.2%. This proves that there is a harmful synergy between Kassadin and Xayah that allows them to perform worse together than without each other.
Xayah has a much lower diffuclty than Kassadin. That means you don't need to be very careful when enlisting Xayah teammates to fight alongside, as they will need a much lower level of skill to fight well with you.
Playing together, Kassadin players should witness an overall large increase in your team’s capacity to destroy wih physical damage. Combined, these two can tear through the other team with a lot of physcial damage.
Although, by bringing Kassadin and Xayah together, you will not be giving your other teammates much crowd control. Make sure to include other champions on your team that offsets this relative disparity in this pairing's abilities.
Regardless of your Xayah ally's ability, you should focus on maximizing your gold income, warding to avoid ambushes, and taking down objectives. If you do this, you will do well anyway.
If you would like to truly master Kassadin in order to work well with Xayah during both the laning and mid / late game phases of LoL rounds, you should keep reading to master additional tips and tricks for this champion pairing. If you pay attention to the build and tips presented here, you should increase your win rate by a lot.
The top items to focus on in your Kassadin and Xayah synergy build consist of Seraph's Embrace, Rabadon's Deathcap, and Malignance. When Kassadin bought at least these three pieces in his build, he performed much better when fighting alongside Xayah than with most other commonly used item sets. In fact, Kassadin had an average winrate of 48.2% when playing alongside Xayah with these items in his kit.
To have the best probability of crushing your oponents, you should equip the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Sudden Impact, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Out of all the rune combinations players chose for this team composition, this blending of runes resulted in the best win rate. Notably, these runes gave a 48.2% win rate overall.
If you need to get Kassadin and Xayah cooperations tips and stats for a a specific division rank, please select one from the selection menu above. By default, the stats and build suggestions shown are computed using every match run with both champs.