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.
Command: Protect can be used on yourself to return the Ball back to you quickly. Combine this with Command: Attack for a quick harassment.
Command: Dissonance is a very powerful escape tool if Orianna has the Ball. The combination of speed and leaving a slowing obstacle can be quite powerful.
Command: Shockwave can be used to drag enemies towards you or away from you if you position the Ball properly.
The Heimerdinger Orianna synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Orianna, 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 Orianna. His KDA went down from NaN to NaN. This decrease shows that Orianna helps Heimerdinger perform worse in competitive League of Legends matches. Yet, the small difference shows that this performance change is only marginal.
When Heimerdinger is an ally to Orianna, he gets a small decrease in his complete damage dealt. This change may signal that Orianna does not help cover for him to dish out more damage or that her participation also helps extend the match's duration. Similarly, when Heimerdinger is played together with Orianna on the same side, he usually scores many fewer killing sprees than when he plays alone. This is contrasting evidence that he is worse when playing alongside Orianna.
Additionally, when Heimerdinger plays with Orianna on the same team, he typically takes a little less damage than when he fights alone. Taking not as much damage could indicate that Orianna does a decent job of protecting Heimerdinger in teamfights.
There is no one best synergy for Heimerdinger that will 100% of the time be his best ally. Yet, Orianna is a not very good teammate for Heimerdinger. By locking into the same side as Heimerdinger, she lowers their win rate by -3.0% to 46.6%. This signals that there is a bad bond between Heimerdinger and Orianna that allows them to perform worse together than alone.
Orianna has a lower difficulty than Heimerdinger. That means you don't need to be cautious when enlisting Orianna allies to fight alongside, as they will have to have a lower level of skill to work well with you.
Playing cooperatively, you should expect to see an overall large increase in your team’s capacity to deal magical damage. When paired, these two can blast through enemies with magic damage.
Although, by bringing Heimerdinger and Orianna together, you will not be granting your team much anti-tank damage dealing potential. Make sure to bring other champs on your team that nullifies this relative gap in their abilities.
Regardless of your Orianna ally's ability, you should focus on maximizing your gold income, warding to avoid ambushes, and clearing objectives. If you heed this simple advice, you will do well anyway.
If you would like to learn all of the intricacies of Heimerdinger in order to work well with Orianna during both the early game and mid / late game phases of League rounds, you should continue reading to gather a few extra tips and tricks for this champion pairing. If you use the build and suggestions presented above, you should grow your win rate by a lot.
The ideal items to have in your Heimerdinger and Orianna synergy build consist of Rylai's Crystal Scepter, Zhonya's Hourglass, and Liandry's Torment. When Heimerdinger used at least these three items in his build, he did much better when paired up with Orianna than with most other common item sets. In fact, Heimerdinger had an average win rate of 46.6% helping carry Orianna with this build.
To have the highest likelihood of coming out on top against your oponents, Heimerdinger players should equip the Arcane Comet, Manaflow Band, Absolute Focus, Scorch, Biscuit Delivery, and Magical Footwear runes from the Sorcery and Inspiration rune sets. Out of all the rune combinations players picked for this team composition, this combination of runes resulted in the best win rate. Moreover, these runes gave a 46.6% winrate overall.
By default, tips, statistics, and builds on how to synergize Orianna with Heimerdinger are displayed for all ranked divisions combined. If you want to scope the stats and builds to a particular player tier, you may use the selection menu located above.