Spreading out Hextech Micro-Rockets leads to more reliable damage and more efficiency against multiple targets, but focusing it creates the biggest impact.
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 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.
The Senna 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, Senna sees a very large drop in her KDA (ratio of kills and assists to deaths) when paired with Heimerdinger. His KDA went down from NaN to NaN. This decrease shows that Heimerdinger helps Senna perform poorer in ranked LoL matches. Yet, the small difference indicates that this performance change is only marginal.
When Senna is an ally to Heimerdinger, she gets a little increase in her complete damage dealt. This difference could demonstrate that Heimerdinger supports by providing cover for her to dish out more damage or that his presence also helps increase the game's duration. Similarly, when Senna is played together with Heimerdinger on the same team, he usually scores many fewer killing sprees compared to when she plays alone. This is contrasting evidence that she is worse when playing alongside Heimerdinger.
Moreover, when Senna plays with Heimerdinger on the same side, she on average receives a little more damage than when she fights alone. Taking more damage could indicate that Heimerdinger does a poor job of covering Senna during teamfights.
There is no one best synergy for Senna that will 100% of the time be her ideal synergy. Yet, Heimerdinger is a fantastic ally for Senna. By being on the same team as Senna, he improves their win rate by 3.8% to 53.1%. This clearly indicates that there is a very real synergy between Senna and Heimerdinger that allows them to perform at the top of their game together than alone.
Heimerdinger has a greater difficulty than Senna. That means you need to be careful when arranging Heimerdinger comrades to fight alongside, as they will require a greater level of skill to be able to cooperate well with you.
Fighting on the same side, Senna players should see an overall large increase in your team’s ability to deal magic damage. Combined, these two are able to dish out a surprising amount of magic type damage.
Although, by grouping Senna and Heimerdinger together, you probably will not be granting your other teammates enough cover. Plan to pick other champions on your team that fills this relative gap in their abilities.
Regardless of the skill of your Heimerdinger ally, you should focus on increasing your gold income, warding to avoid ambushes, and clearing objectives. If you heed this simple advice, you should do well, regardless.
To learn all of the intricacies of Senna in order to synergize with Heimerdinger during both the laning and mid / late game phases of LoL rounds, you should keep reading to learn a few extra tips and tricks for this champion pairing. If you pay attention to the build and tips presented here, you will increase your win rate by a lot.
The best finished items to build first in your Senna and Heimerdinger synergy build consist of Eclipse, Muramana, and Umbral Glaive. When Senna included at least these three great items in her build, she did much better when fighting alongside Heimerdinger than with many other commonly used builds. In fact, Senna boasted an average win rate of 53.1% when synergizing her build and playstyle to Heimerdinger with this build.
To have the highest chance of beating your oponents, you should use the Fleet Footwork, Presence of Mind, Legend: Alacrity, Cut Down, Approach Velocity, and Biscuit Delivery runes from the Precision and Inspiration rune sets. Out of all the rune combinations players chose for Senna and Heimerdinger pairings, this order of runes resulted in the top win rate. In fact, these runes provided a 53.1% winrate overall.
By default, tips, stats, and builds on how to pair Heimerdinger with Senna are shown for all skill levels combined. If you would like to scope the stats and builds to a distinct rank, you should use the selection menu located above.