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.
Spreading out Hextech Micro-Rockets leads to more reliable damage and more efficiency against multiple targets, but focusing it creates the biggest impact.
The success of Electron Storm Grenade is very important to Heimerdinger's survival. The slow and stun both are capable of keeping enemies in place long enough to punish them, but it is also the first line of defense against a surprise attack.
Turret placement can be a deciding factor in a battle. Against most enemies turrets are best when they can support each other, but if the enemy has a lot of area of effect damage your turrets can be destroyed quickly. Placing turrets in brush can lead to a surprise attack in your favor.
The Kai'Sa Heimerdinger synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Heimerdinger, 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 large worsening in her KDA (ratio of kills and assists to deaths) when paired with Heimerdinger. His KDA decreased from NaN to NaN. This negative change shows that Heimerdinger helps Kai'Sa perform worse in ranked League of Legends matches. Yet, the small difference demonstrates that this performance change is not very impactful.
When Kai'Sa is paired with Heimerdinger, she observes a small decrease in her total damage dealt. This change could signal that Heimerdinger doesn't help cover for her to deal more damage or that his presence also helps increase the game's duration. Similarly, when Kai'Sa is played alongside Heimerdinger on the same team, he usually scores many fewer killing sprees than when she plays alone. This is contrasting evidence that she is worse when playing with Heimerdinger.
Additionally, when Kai'Sa plays with Heimerdinger on the same side, she typically takes a little more damage than when she fights alone. Getting dealt more damage may mean that Heimerdinger does a poor job of protecting Kai'Sa during team fights.
There is no top companion for Kai'Sa that will always be her top synergy. Yet, Heimerdinger is a below average teammate for Kai'Sa. By playing on the same side as Kai'Sa, he decreases their win rate by -1.7% to 44.8%. This shows that there is a bad synergy between Kai'Sa and Heimerdinger that allows them to perform not as well together than alone.
Heimerdinger has a greater difficulty than Kai'Sa. That means Kai'Sa players should be cautious when enlisting Heimerdinger comrades to go into battle on the same side as, as they will have to have a greater level of skill to cooperate well with you.
Fighting alongside, Kai'Sa players will likely observe an overall large increase in your team’s capacity to to do a lot of AP damage. Combined, these champs can blast through enemies with magic damage.
Conversely, by bringing Kai'Sa and Heimerdinger together, you will not be providing your team enough crowd control. We recommend you have other champions on your team that nullifies this relative disparity in their potential.
Regardless of the ability of your Heimerdinger teammate, you should focus on increasing your gold income, warding to avoid ambushes, and clearing objectives. If you follow these simple suggestions, you should do well anyway.
To learn all of the intricacies of Kai'Sa in order to synergize with Heimerdinger during both the early game and mid / late game phases of LoL games, you should continue reading to master additional tips and tricks for this champion pairing. If you mind the build and stats shown above, you should increase your win rate significantly.
The best items to have in your Kai'Sa and Heimerdinger synergy build consist of Bloodthirster, Terminus, and Kraken Slayer. When Kai'Sa combined at least these three finished items in her build, she did a lot better when fighting alongside Heimerdinger than with most other common builds. In fact, Kai'Sa had an average win rate of 44.8% helping carry Heimerdinger with this build.
To have the highest likelihood of beating your oponents, you should equip 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 runes players chose for this champion pairing, this order of runes resulted in the highest win rate. In fact, these runes gave a 44.8% win rate overall.
By default, tips, stats, and builds on how to pair Heimerdinger with Kai'Sa are shown for every ranked division. If you would like to filter the stats and builds to a distinct skill level, you should use the selection menu earlier in the counter matchup guide.