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.
Sivir's Boomerang Blade returns to her after reaching the max range, so you can shift position to hit enemies who would otherwise have evaded it.
Try saving Spell Shield for enemy abilities that can disable you such as stuns and roots.
Ricochet resets Sivir's basic attack timer on activation, so activating this immediately after landing a normal basic attack will maximize damage output.
The Kai'Sa Sivir synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Sivir, 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 Sivir. His KDA fell from NaN to NaN. This worsening shows that Sivir helps Kai'Sa perform poorer in ranked LoL rounds. Yet, the small difference indicates that this performance change is not very impactful.
When Kai'Sa plays on the same team as Sivir, she gets a big jump in her complete damage dealt. This difference could signal that Sivir supports by providing cover for her to dish out more damage or that her participation also helps increase the match's duration. Similarly, when Kai'Sa is played with Sivir on the same side, he usually scores many fewer killing sprees than when she plays alone. This is contrasting evidence that she is worse when playing synergisticly with Sivir.
Additionally, when Kai'Sa plays with Sivir on the same side, she often takes a little more damage than when she plays alone. Receiving more damage could mean that Sivir does a poor job of protecting Kai'Sa in team fights.
There is no top champion pairing for Kai'Sa that will 100% of the time be her best ally. Yet, Sivir is a terrible companion for Kai'Sa. By being on the same side as Kai'Sa, she decreases their win rate by -7.8% to 38.7%. This clearly indicates that there is an easy to overcome and exploit bond between Kai'Sa and Sivir that results in them performing worse together than without each other.
Sivir has a lower difficulty than Kai'Sa. That means Kai'Sa players don't need to be careful when lining up Sivir comrades to fight alongside, as they will need a lower level of skill to fight well with you.
Working together, you should expect to see an overall large increase in your team’s ability to destroy wih physical damage. When paired, these champs can tear through the other team with a lot of physcial damage.
Conversely, by bringing Kai'Sa and Sivir together, you will not be giving your other teammates much utility. Make sure to have other champions on your team that helps cover this relative gap in this pairing's capabilities.
Regardless of your Sivir ally's skill level, you need to focus on maximizing your gold income, staying alive by avoiding foolish fights, and taking down objectives. If you follow these simple suggestions, you should do well anyway.
To truly master Kai'Sa in order to pair well with Sivir during both the laning and mid / late game phases of LoL rounds, you should keep reading to learn some more lessons on this champion pairing. If you listen to the build and suggestions displayed above, you will grow your win rate by a lot.
The ideal finished items to have in your Kai'Sa and Sivir synergy build include Muramana, Nashor's Tooth, and Stormsurge. When Kai'Sa incorporated at least these three items in her build, she performed significantly better when paired up with Sivir than with most other typical builds. In fact, Kai'Sa had an average winrate of 38.7% helping carry Sivir with this build.
To have the best chance of coming out on top against your oponents, Kai'Sa players should use the Hail of Blades, Taste of Blood, Eyeball Collection, Treasure Hunter, Legend: Bloodline, and Coup de Grace runes from the Domination and Precision rune sets. Out of all the runes players used for this champion pairing, this sequence of runes yielded the greatest win rate. Notably, these runes provided a 38.7% win rate overall.
By default, tips, statistics, and builds on how to synergize Sivir with Kai'Sa are given for all skill levels, merged. If you want to scope the statistics and builds to a particular division, you may use the selection menu located above.