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.
Picking up goo chunks is very important to staying alive.
When Cell Division is ready, try to die in a position that makes it difficult for the enemy team to kill your bloblets.
Charging Elastic Slingshot from the fog of war will give opponents less time to react.
The Kai'Sa Zac synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Zac, 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 Zac. His KDA decreased from NaN to NaN. This negative change shows that Zac helps Kai'Sa perform not as well in competitive LoL games. Yet, the small difference indicates that this performance change is only marginal.
When Kai'Sa plays on the same team as Zac, she gets a little increase in her complete damage output. This may indicate that Zac helps provide protection for her to dish out more damage or that his participation also helps increase the match's duration. Similarly, when Kai'Sa is played alongside Zac on the same side, he usually scores many fewer killing sprees than when she plays without Zac. This is contrasting evidence that she is worse when playing with Zac.
Moreover, when Kai'Sa plays with Zac on the same side, she typically takes a little more damage than when she plays alone. Receiving more damage could indicate that Zac does a poor job of protecting Kai'Sa in teamfights.
There is no universally accepted best synergy for Kai'Sa that will 100% of the time be her best teammate. Yet, Zac is a decent companion for Kai'Sa. By locking into the same team as Kai'Sa, he increases their win rate by 2.2% to 48.7%. This demonstrates that there is a potentially meaningful synergy between Kai'Sa and Zac that results in them performing stronger together than without each other.
Zac has a greater difficulty than Kai'Sa. That means Kai'Sa players should be careful when arranging Zac allies to play with, as they will require a greater level of skill to be able to fight well with you.
Playing together, you will likely see an overall large increase in your team’s capacity to soak up damage. Combined, these champions will be a great protective duo.
Although, by pairing Kai'Sa and Zac together, you may not be providing your team a great deal of crowd control. Make sure to pick other champs on your team that nullifies this relative hole in this pairing's abilities.
Regardless of the skill of your Zac ally, you need to focus on increasing your gold income, staying alive by avoiding foolish fights, and taking down objectives. If you follow these simple suggestions, you will do well anyway.
To truly master Kai'Sa to pair well with Zac during both the early game and mid / late game phases of League rounds, you should continue reading to master a few extra tips and tricks for this champion pairing. If you use the build and stats presented here, you should increase your win rate by a lot.
The most important finished items to prioritize in your Kai'Sa and Zac synergy build consist of Guardian Angel, Terminus, and Kraken Slayer. When Kai'Sa combined at least these three great items in her build, she performed significantly better when fighting alongside Zac than with most other typical builds. In fact, Kai'Sa had an average winrate of 48.7% when playing alongside Zac with these items in her kit.
To have the greatest likelihood of defeating your oponents, Kai'Sa players should take the Lethal Tempo, Presence of Mind, Legend: Bloodline, Coup de Grace, Biscuit Delivery, and Magical Footwear runes from the Precision and Inspiration rune sets. Of all the rune sets players picked for Kai'Sa and Zac pairings, this mix of runes resulted in the highest win rate. Moreover, these runes averaged a 48.7% win rate overall.
By default, tips, statistics, and builds on how to synergize Zac with Kai'Sa are shown for every ranked division. To narrow the statistics and builds to a particular player tier, you should use the selection menu located at the top of this page.