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.
The Kassadin Zeri synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Zeri, 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 very large drop in his KDA (ratio of kills and assists to deaths) when paired with Zeri. His KDA fell from NaN to NaN. This drop shows that Zeri helps Kassadin perform poorer in ranked League matches. Yet, the small difference shows that this performance change is not very impactful.
When Kassadin is paired with Zeri, he observes a barely noticable drop in his total damage dealt. This may indicate that Zeri does not support by providing cover for him to deal more damage or that their presence also helps increase the round's duration. Similarly, when Kassadin is played alongside Zeri on the same side, he usually scores many fewer killing sprees than when he plays on his own. This is contrasting evidence that he is worse when playing with Zeri.
Additionally, when Kassadin plays with Zeri on the same team, he often takes a little less damage than when he plays alone. Taking not as much damage may indicate that Zeri does a decent job of protecting Kassadin during teamfights.
There is no ideal ally for Kassadin that will always be his best ally. However, overall, Zeri is a terrible teammate for Kassadin. By being on the same side as Kassadin, they decreases their win rate by -4.2% to 45.8%. This shows that there is a terrible bond between Kassadin and Zeri that allows them to perform not as well together than alone.
Zeri has a lower difficulty than Kassadin. That means Kassadin players don't need to be careful when arranging Zeri comrades to go into battle on the same side as, as they will need a lower level of skill to be able to cooperate well with you.
Playing on the same side, you should observe an overall large increase in your team’s capability to destroy wih physical damage. When paired, these champions should be able to take down targets with auto-attacks and other AD damage abilities.
In contrast, by bringing Kassadin and Zeri together, you will not be granting your other allies enough utility. Make sure to have other champions on your team that helps cover this disparity in this pairing's kit.
Regardless of your Zeri ally's ability, you should focus on increasing your income, staying alive by avoiding foolish fights, and taking down objectives. If you do this, you should do well, regardless.
If you would like to truly master Kassadin to synergize with Zeri during both the lane and mid / late game phases of League of Legends rounds, you should keep reading to gather additional lessons on this champion pairing. If you mind the build and suggestions presented above, you will grow your win rate significantly.
The most crucial items to build first in your Kassadin and Zeri synergy build include Seraph's Embrace, Malignance, and Rod of Ages. When Kassadin included at least these three finished items in his build, he performed significantly better as an ally of Zeri than with many other typical builds. In fact, Kassadin had an average winrate of 45.8% when playing alongside Zeri with this build.
To have the greatest likelihood of defeating your oponents, Kassadin players should use 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 we have analyed for this team composition, this set of runes yielded the greatest win rate. In fact, these runes provided a 45.8% winrate overall.
If you need to see Kassadin with Zeri collaboration tips and stats for a a specific player tier, feel free to select one from the selection menu displayed above. If viewing for the first time, the stats and tips and suggestions given are calculated using every match played with both champs.