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.
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 Heimerdinger Kai'Sa synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Kai'Sa, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Heimerdinger sees a very large drop in his 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 Heimerdinger perform not as well in competitive League matches. Yet, the small difference shows that this performance change is not very impactful.
When Heimerdinger plays on the same team as Kai'Sa, he observes a little decrease in his complete damage output. This may indicate that Kai'Sa does not support by providing protection for him to dish out more damage or that her support also helps increase the game's duration. Similarly, when Heimerdinger is played alongside Kai'Sa on the same team, he usually scores many fewer killing sprees than when he plays on his own. This is contrasting evidence that he is worse when playing synergisticly with Kai'Sa.
Additionally, when Heimerdinger plays with Kai'Sa on the same team, he typically takes a little more damage than when he fights alone. Taking more damage could indicate that Kai'Sa does a poor job of covering Heimerdinger in team fights.
There is no perfect companion for Heimerdinger that will 100% of the time be his #1 teammate. Yet, Kai'Sa is a terrible teammate for Heimerdinger. By playing on the same team as Heimerdinger, she lowers their win rate by -4.8% to 44.8%. This proves that there is a very bad strategic relationship between Heimerdinger and Kai'Sa that allows them to perform not as well together than without each other.
Kai'Sa has a lower difficulty than Heimerdinger. That means Heimerdinger players don't need to be very careful when lining up Kai'Sa allies to play with, as they will require a relatively low level of skill to fight well with you.
Playing cooperatively, you should expect to observe an overall large increase in your team’s ability to deal magical damage. Together, these two are able to dish out a surprising amount of magic type damage.
Conversely, by grouping Heimerdinger and Kai'Sa together, you may not be giving your other allies much support. Make sure to bring other champions on your team that fills this gap in this pairing's capabilities.
Regardless of the skill of your Kai'Sa ally, you need to focus on maximizing your income, staying alive by avoiding foolish fights, and taking down objectives. If you do this, you should do well anyway.
To truly master Heimerdinger in order to work well with Kai'Sa during both the laning and mid / late game phases of League of Legends, you should continue reading to learn additional lessons on this champion pairing. If you mind the build and suggestions shown above, you will grow your win rate significantly.
The ideal finished items to build first in your Heimerdinger and Kai'Sa synergy build include Rabadon's Deathcap, Zhonya's Hourglass, and Liandry's Torment. When Heimerdinger bought at least these three pieces in his build, he did a lot better when fighting alongside Kai'Sa than with many other typical builds. In fact, Heimerdinger boasted an average win rate of 44.8% helping carry Kai'Sa with this build.
To have the greatest likelihood of beating your oponents, you should take the Arcane Comet, Manaflow Band, Absolute Focus, Scorch, Biscuit Delivery, and Magical Footwear runes from the Sorcery and Inspiration rune sets. Of all the rune combinations that we analyzed for Heimerdinger and Kai'Sa pairings, this combo of runes yielded the best win rate. Moreover, these runes provided a 44.8% winrate overall.
If you need to view Heimerdinger with Kai'Sa cooperations tips and stats for a a distinct skill level, please select one from the selection menu above. By default, the statistics and strategies given are computed using all rounds run with these champs.