If you have trouble landing Prismatic Barrier, remember that it returns to you after it reaches max range. Try positioning yourself to hit your allies with its return trip.
Lux has great zone control abilities. Try to set up Lucent Singularity to prevent an enemy's advance or escape.
Lucent Singularity is a great scouting tool. Try throwing it into brush before walking into it to check for ambushes.
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.
The Lux Kai'Sa synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Kai'Sa, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, Lux sees a very large drop in her KDA (ratio of kills and assists to deaths) when paired with Kai'Sa. His KDA decreased from NaN to NaN. This fall shows that Kai'Sa helps Lux perform worse in competitive LoL games. Yet, the small difference shows that this performance change is not very impactful.
When Lux plays on the same team as Kai'Sa, she observes a marginal improvement in her full damage output. This change could signal that Kai'Sa helps provide cover for her to deal more damage or that her support also helps increase the match's duration. Similarly, when Lux is played with Kai'Sa on the same team, he usually scores many fewer killing sprees compared to when she plays without Kai'Sa. This is contrasting evidence that she is worse when playing alongside Kai'Sa.
Moreover, when Lux plays with Kai'Sa on the same side, she often receives a little more damage than when she fights alone. Receiving more damage may mean that Kai'Sa does a poor job of protecting Lux during team fights.
There is no one best synergy for Lux that will no matter what be her ideal ally. However, overall, Kai'Sa is a very bad companion for Lux. By playing on the same team as Lux, she decreases their win rate by -3.2% to 46.6%. This signals that there is a very bad strategic relationship between Lux and Kai'Sa that allows them to perform worse together than alone.
Kai'Sa has a greater difficulty than Lux. That means you must be very careful when lining up Kai'Sa comrades to go into battle on the same side as, as they will have to have a greater level of skill to play well with you.
Playing alongside, Lux players should see an overall large increase in your team’s ability to deal magical damage. Together, these champions can blast through enemies with magic damage.
In contrast, by aligning Lux and Kai'Sa together, you probably will not be granting your side much utility. Plan to bring other champions on your team that fills this relative hole in their kit.
Regardless of the skill of your Kai'Sa ally, you should focus on maximizing your gold income, warding to avoid ambushes, and taking down objectives. If you heed this simple advice, you will do well anyway.
To learn all of the intricacies of Lux in order to pair well with Kai'Sa during both the early game and mid / late game phases of League of Legends matches, you should keep reading to gather additional tips and tricks for this champion pairing. If you pay attention to the build and suggestions shown above, you will grow your win rate by a lot.
The top finished items to build first in your Lux and Kai'Sa synergy build include Cryptbloom, Shadowflame, and Luden's Companion. When Lux combined at least these three finished items in her build, she performed a lot better when paired up with Kai'Sa than with many other common builds. In fact, Lux boasted an average win rate of 46.6% helping carry Kai'Sa with these items in her kit.
To have the best likelihood of vanquishing your oponents, you should take the Arcane Comet, Manaflow Band, Transcendence, Scorch, Ultimate Hunter, and Cheap Shot runes from the Sorcery and Domination rune sets. Of all the rune builds players used for this team composition, this combo of runes resulted in the highest win rate. Notably, these runes gave a 46.6% win rate overall.
If you would like to get Lux with Kai'Sa collaboration tips and builds for a a particular player tier, feel free to choose one from the selection menu provided above. At first, the stats and guides displayed are computed using every game with data with these champions.