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 Zeri Kassadin synergy stats shown here demonstrate the areas of their gameplay that do better (or worse) when paired with Kassadin, compared to their overall stats. Significant differences are areas of focus that highlight how their gameplay changes when paired with this other champion.
Overall, Zeri sees a very large drop in their KDA (ratio of kills and assists to deaths) when paired with Kassadin. His KDA decreased from NaN to NaN. This drop shows that Kassadin helps Zeri perform poorer in ranked LoL matches. Yet, the small difference shows that this performance change is not very impactful.
When Zeri plays on the same team as Kassadin, they sees a small decrease in their complete damage output. This change may indicate that Kassadin doesn't help protection for them to dish out more damage or that his presence on the team also helps extend the game's duration. Similarly, when Zeri is played with Kassadin on the same side, he usually scores many fewer killing sprees than when they plays alone. This is contrasting evidence that they is worse when playing synergisticly with Kassadin.
Additionally, when Zeri plays with Kassadin on the same side, they typically receives a little less damage than when they plays alone. Taking not as much damage could mean that Kassadin does a decent job of protecting Zeri in teamfights.
There is no top ally for Zeri that will always be their top teammate. Yet, Kassadin is a very typical ally for Zeri. By playing on the same side as Zeri, he decreases their win rate by -0.4% to 45.8%. This clearly indicates that there is not really a strong synergy between Zeri and Kassadin that results in them performing not as well together than alone.
Kassadin has a greater difficulty than Zeri. That means Zeri players should be careful when enlisting Kassadin allies to go into battle on the same side as, as they will need a greater level of skill to fight well with you.
When playing cooperatively, Zeri players should witness an overall large increase in your team’s capability to dish out massive AD. Combined, these champions can tear through the other team with a lot of physcial damage.
In contrast, by pairing Zeri and Kassadin together, you will not be giving your side very much utility. We recommend you include other champs on your team that fills this relative disparity in this pairing's abilities.
Regardless of your Kassadin ally's ability, you should focus on maximizing your income, warding to avoid ambushes, and clearing objectives. If you do this, you should do well, regardless.
To truly master Zeri to work well with Kassadin during both the early game and mid / late game phases of League games, you should keep reading to gather a few extra tips and tricks for this champion pairing. If you listen to the build and tips displayed here, you will grow your win rate significantly.
The best finished items to get in your Zeri and Kassadin synergy build include Experimental Hexplate, Runaan's Hurricane, and Titanic Hydra. When Zeri bought at least these three items in their build, they performed a lot better when paired up with Kassadin than with many other commonly used builds. In fact, Zeri boasted an average winrate of 45.8% helping carry Kassadin with these items in their kit.
To have the greatest chance of beating your oponents, you should take the Lethal Tempo, Triumph, Legend: Alacrity, Last Stand, Conditioning, and Overgrowth runes from the Precision and Resolve rune sets. Of all the rune combinations players picked for this team composition, this mix of runes yielded the highest win rate. Moreover, these runes gave a 45.8% win rate overall.
By default, tips, statistics, and builds on how to synergize Kassadin with Zeri are presented for all ranked divisions combined. If you would like to scope the stats and builds to a specific division, you should use the selection menu located earlier on the page.