Roar of the Slayer is a great setup ability to land a very powerful Decimating Smash.
The Soul Furnace buff displays how much shield strength is remaining, use this information to time its explosion perfectly.
You only have very slight turning ability during Unstoppable Onslaught, so make sure to use it in straight paths.
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.
The Sion Heimerdinger synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Heimerdinger, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Sion sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Heimerdinger. His KDA fell from NaN to NaN. This fall shows that Heimerdinger helps Sion perform poorer in competitive League of Legends rounds. Yet, the small difference demonstrates that this performance change is only marginal.
When Sion tries to synergize with Heimerdinger, he gets a small decrease in his complete damage output. This may indicate that Heimerdinger does not help protection for him to dish out more damage or that his support also helps extend the match's duration. Similarly, when Sion is played alongside Heimerdinger on the same side, he usually scores many fewer killing sprees compared to when he plays without Heimerdinger. This is contrasting evidence that he is worse when playing synergisticly with Heimerdinger.
Moreover, when Sion plays with Heimerdinger on the same side, he usually receives a little more damage than when he fights alone. Getting dealt more damage could indicate that Heimerdinger does a poor job of covering Sion during team fights.
There is no perfect synergy for Sion that will no matter what be his ideal ally. However, overall, Heimerdinger is a very typical ally for Sion. By playing on the same team as Sion, he raises their win rate by 0.5% to 50.7%. This demonstrates that there is only a small synergy between Sion and Heimerdinger that results in them performing stronger together than without each other.
Heimerdinger has a greater difficulty than Sion. That means you need to be careful when finding Heimerdinger teammates to play with, as they will need a greater level of skill to do well with you.
Playing on the same side, you should expect to witness an overall large increase in your team’s capacity to tank a lot of damage. Combined, these champions might be able to provide enough cover for their team's carries.
In contrast, by bringing Sion and Heimerdinger together, you probably will not be giving your side enough sustained damage output. We recommend you have other champs on your team that fills this disparity in their potential.
Regardless of the skill of your Heimerdinger ally, you should focus on increasing your gold income, staying alive by avoiding foolish fights, and clearing objectives. If you follow these simple suggestions, you should do well anyway.
To truly master Sion to pair well with Heimerdinger during both the lane and mid / late game phases of League rounds, you should continue reading to gather a few extra tricks and insights into this champion pairing. If you listen to the build and tips presented above, you should grow your win rate significantly.
The most crucial items to use in your Sion and Heimerdinger synergy build consist of Unending Despair, Heartsteel, and Hollow Radiance. When Sion combined at least these three great items in his build, he did a lot better when fighting alongside Heimerdinger than with most other commonly used item sets. In fact, Sion boasted an average winrate of 50.7% helping carry Heimerdinger with this build.
To have the highest likelihood of coming out on top against your oponents, you should use the Grasp of the Undying, Demolish, Conditioning, Overgrowth, Approach Velocity, and Minion Dematerializer runes from the Resolve and Inspiration rune sets. Of all the rune combinations we have analyed for Sion and Heimerdinger pairings, this mixture of runes resulted in the top win rate. Moreover, these runes averaged a 50.7% winrate overall.
By default, tips, statistics, and builds on how to synergize Heimerdinger with Sion are given for all skill levels combined. If you would like to filter the statistics and builds to a particular rank, you can use the selection menu earlier in the counter matchup guide.