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.
Picking up Daggers will significantly reduce Shunpo's cooldown.
Try waiting until the other team is distracted with fighting your team, and use Shunpo to teleport into the fray and unleash a devastating Death Lotus.
Using Shunpo on an allied Champion, Dagger, or minion can be a great escape tactic.
The Heimerdinger Katarina synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Katarina, 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 large worsening in his KDA (ratio of kills and assists to deaths) when paired with Katarina. His KDA decreased from NaN to NaN. This decrease shows that Katarina helps Heimerdinger perform worse in ranked League rounds. Yet, the small difference proves that this performance change is not very impactful.
When Heimerdinger plays on the same team as Katarina, he sees a little decrease in his total damage dealt. This could demonstrate that Katarina doesn't help protection for him to deal more damage or that her participation also helps extend the round's duration. Similarly, when Heimerdinger is played alongside Katarina on the same side, he usually scores many fewer killing sprees than when he plays without Katarina. This is contrasting evidence that he is worse when playing synergisticly with Katarina.
Additionally, when Heimerdinger plays with Katarina on the same side, he usually receives a little less damage than when he plays alone. Getting dealt not as much damage could mean that Katarina does a decent job of protecting Heimerdinger during team fights.
There is no top synergy for Heimerdinger that will no matter what be his top teammate. Yet, overall, Katarina is a relatively poor ally for Heimerdinger. By locking into the same team as Heimerdinger, she drops their win rate by -1.4% to 48.2%. This signals that there is a harmful synergy between Heimerdinger and Katarina that results in them performing not as well together than without each other.
Katarina has a lower difficulty than Heimerdinger. That means you don't need to be cautious when lining up Katarina teammates to go into battle on the same side as, as they will have to have a lower level of skill to be able to cooperate well with you.
Working alongside, you will likely see an overall large increase in your team’s ability to deal magic damage. Combined, these champs are able to dish out a surprising amount of magic type damage.
Although, by pairing Heimerdinger and Katarina together, you will not be giving your other teammates enough sustained damage output. Plan to include other champs on your team that offsets this relative gap in their abilities.
Regardless of your Katarina ally's skill level, you need to focus on maximizing your gold income, outlasting your enemies, and taking down objectives. If you heed this simple advice, you should do well, regardless.
To truly master Heimerdinger in order to work well with Katarina during both the laning and mid / late game phases of League matches, you should keep reading to gather additional tricks and insights into this champion pairing. If you listen to the build and tips displayed above, you will increase your win rate by a lot.
The most important items to focus on in your Heimerdinger and Katarina synergy build consist of Zhonya's Hourglass, Zaz'Zak's Realmspike, and Liandry's Torment. When Heimerdinger incorporated at least these three pieces in his build, he did significantly better when paired up with Katarina than with most other common item sets. In fact, Heimerdinger had an average win rate of 48.2% when synergizing his build and playstyle to Katarina with these items in his kit.
To have the highest probability of coming out on top against your oponents, you should equip 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 sets players picked for this champion pairing, this composite of runes resulted in the greatest win rate. In fact, these runes averaged a 48.2% win rate overall.
By default, tips, stats, and builds on how to pair Katarina with Heimerdinger are displayed for all ranked divisions combined. To filter the stats and builds to a specific division, you can use the selection menu located above.