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.
Kassadin's ultimate has many uses and is on a shorter cooldown than most, use it often.
Kassadin has multiple item paths; he can go caster via Mana and Ability Power or anti-caster with Cooldown Reduction and Magic Resist.
Try to get the Ancient Golem buff to counteract Riftwalk's increasing Mana cost.
The Heimerdinger Kassadin synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Kassadin, 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 Kassadin. His KDA fell from NaN to NaN. This worsening shows that Kassadin helps Heimerdinger perform worse in ranked League games. Yet, the small difference proves that this performance change is only marginal.
When Heimerdinger is an ally to Kassadin, he observes a small decrease in his total damage dealt. This change could demonstrate that Kassadin doesn't help cover for him to deal more damage or that his presence also helps extend the match's duration. Similarly, when Heimerdinger is played together with Kassadin on the same team, he usually scores many fewer killing sprees compared to when he plays alone. This is contrasting evidence that he is worse when playing with Kassadin.
Moreover, when Heimerdinger plays with Kassadin on the same team, he usually takes a little less damage than when he plays alone. Taking not as much damage may mean that Kassadin does a decent job of protecting Heimerdinger during teamfights.
There is no one best champion pairing for Heimerdinger that will always be his best synergy. Yet, overall, Kassadin is a decent ally for Heimerdinger. By being on the same team as Heimerdinger, he improves their win rate by 2.2% to 51.8%. This shows that there is pretty good bond between Heimerdinger and Kassadin that allows them to perform better together than without each other.
Kassadin has a lower difficulty than Heimerdinger. That means you don't need to be cautious when lining up Kassadin teammates to play with, as they will need a lower level of skill to fight well with you.
When playing together, Heimerdinger players should witness an overall large increase in your team’s ability to deal magical damage. When paired, these two can deal quite a lot of AP type damage.
Conversely, by pairing Heimerdinger and Kassadin together, you probably will not be giving your other allies a great deal of attack damage. Make sure to pick other champions on your team that fills this gap in this pairing's potential.
Regardless of the skill of your Kassadin teammate, you should focus on increasing your income, warding to avoid ambushes, and taking down objectives. If you heed this simple advice, you should do well anyway.
To truly master Heimerdinger to pair well with Kassadin during both the early game and mid / late game phases of League games, you should continue reading to master some more tips and tricks for this champion pairing. If you mind the build and suggestions displayed above, you should grow your win rate significantly.
The best finished items to prioritize in your Heimerdinger and Kassadin synergy build include Rylai's Crystal Scepter, Zaz'Zak's Realmspike, and Liandry's Torment. When Heimerdinger used at least these three great items in his build, he did much better when paired up with Kassadin than with most other commonly used builds. In fact, Heimerdinger had an average win rate of 51.8% when playing alongside Kassadin with this build.
To have the best likelihood of crushing your oponents, Heimerdinger players should use the Arcane Comet, Manaflow Band, Absolute Focus, Scorch, Biscuit Delivery, and Magical Footwear runes from the Sorcery and Inspiration rune sets. Of all the rune combinations players picked for this team composition, this combination of runes resulted in the greatest win rate. In fact, these runes averaged a 51.8% winrate overall.
If you need to view Heimerdinger and Kassadin synergy tips and stats for a a particular skill level, feel free to select one from the selection menu provided above. If viewing for the first time, the statistics and strategies displayed are calculated using every round run with both champs.