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.
Each of Aphelios' weapons have different strengths, so try to find the right situation for your current weapons.
The Kai'Sa Aphelios synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Aphelios, 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 Aphelios. His KDA fell from NaN to NaN. This worsening shows that Aphelios helps Kai'Sa perform not as well in competitive League matches. Yet, the small difference proves that this performance change is not very impactful.
When Kai'Sa is paired with Aphelios, she observes a sizeable uptick in her full damage dealt. This may demonstrate that Aphelios helps provide cover for her to deal more damage or that his support also helps extend the round's duration. Similarly, when Kai'Sa is played with Aphelios 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 Aphelios.
Additionally, when Kai'Sa plays with Aphelios on the same side, she usually takes a little less damage than when she fights alone. Receiving not as much damage could indicate that Aphelios does a decent job of covering Kai'Sa in team fights.
There is no top champion pairing for Kai'Sa that will 100% of the time be her top synergy. Yet, Aphelios is a very typical teammate for Kai'Sa. By locking into the same side as Kai'Sa, he raises their win rate by 0.5% to 47.0%. This clearly indicates that there is only a small bond between Kai'Sa and Aphelios that allows them to perform better together than alone.
Aphelios has a much greater difficulty compared to Kai'Sa. That means you should be careful when finding Aphelios comrades to play with, as they will have to have a much higher level of skill to cooperate well with you.
Working cooperatively, Kai'Sa players will likely see an overall large increase in your team’s ability to deal physical damage. Combined, these two can tear through the other team with a lot of physcial damage.
In contrast, by pairing Kai'Sa and Aphelios together, you may not be giving your other allies very much crowd control. Plan to bring other champs on your team that fills this relative gap in this pairing's abilities.
Regardless of your Aphelios ally's ability, you should focus on maximizing your gold income, outlasting your enemies, and clearing objectives. If you do this, you will do well anyway.
If you would like to truly master Kai'Sa to work well with Aphelios during both the laning and mid / late game phases of LoL, you should continue reading to pick up some more lessons on this champion pairing. If you use the build and suggestions shown above, you will increase your win rate significantly.
The ideal items to build first in your Kai'Sa and Aphelios synergy build consist of Muramana, Stormsurge, and Luden's Companion. When Kai'Sa bought at least these three finished items in her build, she performed much better as an ally of Aphelios than with most other typical item sets. In fact, Kai'Sa had an average win rate of 47.0% helping carry Aphelios with these items in her kit.
To have the best likelihood of annihilating your oponents, you should use the Hail of Blades, Taste of Blood, Eyeball Collection, Treasure Hunter, Biscuit Delivery, and Magical Footwear runes from the Domination and Inspiration rune sets. Out of all the runes players picked for this champion pairing, this sequence of runes resulted in the greatest win rate. Moreover, these runes gave a 47.0% win rate overall.
By default, tips, statistics, and builds on how to pair Aphelios with Kai'Sa are displayed for every ranked division. If you want to scope the statistics and builds to a distinct rank, you should use the selection menu earlier in the counter matchup guide.