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.
Clever use of enemy ultimates can open up new possibilities to approach teamfights.
Wait for you or your enemy to reach low health before using Kingslayer for maximum effect.
Space out your ability usage to get maximum effect from Petricite Burst.
The Heimerdinger Sylas synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Sylas, 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 Sylas. His KDA worsened from NaN to NaN. This fall shows that Sylas helps Heimerdinger perform worse in ranked League rounds. Yet, the small difference indicates that this performance change is not very impactful.
When Heimerdinger is an ally to Sylas, he observes a barely noticable drop in his total damage dealt. This change could signal that Sylas does not support by providing cover for him to dish out more damage or that his presence on the team also helps extend the game's duration. Similarly, when Heimerdinger is played alongside Sylas on the same side, he usually scores many fewer killing sprees compared to when he plays without Sylas. This is contrasting evidence that he is worse when playing with Sylas.
Moreover, when Heimerdinger plays with Sylas on the same side, he often receives a little less damage than when he fights alone. Taking not as much damage may mean that Sylas does a decent job of protecting Heimerdinger in teamfights.
There is no perfect ally for Heimerdinger that will 100% of the time be his best synergy. However, overall, Sylas is a very typical companion for Heimerdinger. By being on the same team as Heimerdinger, he drops their win rate by -0.8% to 48.8%. This demonstrates that there is not really a strong bond between Heimerdinger and Sylas that results in them performing worse together than without each other.
Sylas has a much lower diffuclty than Heimerdinger. That means Heimerdinger players don't need to be very careful when finding Sylas teammates to go into battle on the same side as, as they will need a much lower level of skill to be able to play well with you.
Working on the same side, you should expect to witness an overall large increase in your team’s ability to to do a lot of AP damage. When paired, these two can deal quite a lot of AP type damage.
In contrast, by pairing Heimerdinger and Sylas together, you may not be giving your other allies enough sustained damage output. Plan to bring other champions on your team that offsets this disparity in this pairing's capabilities.
Regardless of your Sylas ally's skill level, you should focus on maximizing your income, warding to avoid ambushes, and taking down objectives. If you follow these simple suggestions, you will do well, regardless.
To truly master Heimerdinger to pair well with Sylas during both the lane and mid / late game phases of League rounds, you should continue reading to pick up some more tricks and insights into this champion pairing. If you pay attention to the build and suggestions displayed here, you should increase your win rate significantly.
The most important finished items to include in your Heimerdinger and Sylas synergy build include Rylai's Crystal Scepter, Zaz'Zak's Realmspike, and Liandry's Torment. When Heimerdinger combined at least these three finished items in his build, he performed a lot better when paired up with Sylas than with most other common item sets. In fact, Heimerdinger had an average winrate of 48.8% when playing alongside Sylas with this build.
To have the highest chance of defeating 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. Out of all the rune combinations players picked for this team composition, this combo of runes resulted in the top win rate. In fact, these runes gave a 48.8% winrate overall.
If you need to see Heimerdinger and Sylas synergy tips and stats for a an individual skill level, feel free to choose one from the selection menu provided above. By default, the statistics and build suggestions given are computed using all games with data with these champions.