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.
You can release Shield of Durand even while crowd controlled.
You can use the minimap ally icons to cast Hero's Entrance.
You can use the step back from Justice Punch to dodge enemy spells.
The Heimerdinger Galio synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Galio, 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 Galio. His KDA went down from NaN to NaN. This decrease shows that Galio helps Heimerdinger perform worse in ranked League of Legends games. Yet, the small difference demonstrates that this performance change is only marginal.
When Heimerdinger plays on the same team as Galio, he observes a marginal improvement in his full damage output. This could signal that Galio supports by providing cover for him to deal more damage or that his allyship also helps extend the game's duration. Similarly, when Heimerdinger is played alongside Galio on the same team, he usually scores many fewer killing sprees than when he plays alone. This is contrasting evidence that he is worse when playing alongside Galio.
Moreover, when Heimerdinger plays with Galio on the same side, he typically receives a little more damage than when he fights alone. Taking more damage could mean that Galio does a poor job of protecting Heimerdinger during team fights.
There is no top synergy for Heimerdinger that will always be his #1 teammate. However, Galio is a very typical ally for Heimerdinger. By being on the same team as Heimerdinger, he improves their win rate by 0.3% to 49.9%. This clearly indicates that there is a weak bond between Heimerdinger and Galio that allows them to perform at the top of their game together than without each other.
Galio has a much lower diffuclty than Heimerdinger. That means Heimerdinger players don't need to be careful when lining up Galio teammates to play with, as they will need a much lower level of skill to be able to work well with you.
When playing together, Heimerdinger players will likely see an overall large increase in your team’s capability to soak up damage. Combined, these champions might be able to provide enough cover for their team's carries.
Conversely, by grouping Heimerdinger and Galio together, you probably will not be providing your other teammates very much attack damage. Plan to bring other champions on your team that offsets this relative disparity in their playstyle.
Regardless of your Galio ally's skill level, you need to focus on maximizing your income, staying alive by avoiding foolish fights, and taking down objectives. If you heed this simple advice, you should do well, regardless.
If you would like to truly master Heimerdinger in order to work well with Galio during both the lane and mid / late game phases of League games, you should keep reading to pick up additional lessons on this champion pairing. If you listen to the build and stats shown above, you should grow your win rate significantly.
The top finished items to have in your Heimerdinger and Galio synergy build include Rylai's Crystal Scepter, Zhonya's Hourglass, and Zaz'Zak's Realmspike. When Heimerdinger incorporated at least these three pieces in his build, he did significantly better as an ally of Galio than with most other commonly used builds. In fact, Heimerdinger had an average winrate of 49.9% when synergizing his build and playstyle to Galio with these items in his kit.
To have the highest likelihood of vanquishing your oponents, Heimerdinger players should equip the Arcane Comet, Manaflow Band, Absolute Focus, Scorch, Taste of Blood, and Treasure Hunter runes from the Sorcery and Domination rune sets. Of all the rune sets players chose for this champion pairing, this composite of runes resulted in the top win rate. Notably, these runes gave a 49.9% win rate overall.
If you need to get Heimerdinger and Galio synergy tips and stats for a a particular player tier, feel free to choose one from the selection menu provided above. At first, the statistics and guides displayed are computed using every match played with these champions.