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.
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 Kassadin 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, Kassadin sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Heimerdinger. His KDA decreased from NaN to NaN. This fall shows that Heimerdinger helps Kassadin perform not as well in ranked League of Legends games. Yet, the small difference proves that this performance change is not very impactful.
When Kassadin is paired with Heimerdinger, he observes a barely noticable drop in his complete damage output. This may indicate that Heimerdinger does not support by providing protection for him to deal more damage or that his presence on the team also helps increase the match's duration. Similarly, when Kassadin is played together with Heimerdinger 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 Heimerdinger.
Moreover, when Kassadin plays with Heimerdinger on the same side, he often takes the same amount of damage than when he fights alone. Taking an equal amount of damage may mean that Heimerdinger does a decent job of covering Kassadin during team fights.
There is no top synergy for Kassadin that will always be his top ally. Yet, overall, Heimerdinger is a pretty good ally for Kassadin. By locking into the same team as Kassadin, he increases their win rate by 1.8% to 51.8%. This shows that there is a somewhat important bond between Kassadin and Heimerdinger that results in them performing at the top of their game together than alone.
Heimerdinger has a lower difficulty than Kassadin. That means Kassadin players don't need to be cautious when enlisting Heimerdinger teammates to go into battle on the same side as, as they will have to have a lower level of skill to be able to play well with you.
Playing cooperatively, Kassadin players should expect to see an overall large increase in your team’s ability to deal magic damage. Combined, these champions can deal quite a lot of AP type damage.
In contrast, by grouping Kassadin and Heimerdinger together, you may not be giving your side a great deal of sustained damage output. We recommend you include other champs on your team that nullifies this relative disparity in this pairing's playstyle.
Regardless of your Heimerdinger ally's ability, you should focus on increasing your income, outlasting your enemies, and clearing objectives. If you do this, you will do well, regardless.
To learn all of the intricacies of Kassadin to work well with Heimerdinger during both the lane and mid / late game phases of LoL, you should keep reading to learn some more tricks and insights into this champion pairing. If you listen to the build and tips displayed here, you will increase your win rate significantly.
The most crucial items to have in your Kassadin and Heimerdinger synergy build consist of Seraph's Embrace, Rabadon's Deathcap, and Rod of Ages. When Kassadin included at least these three items in his build, he did significantly better when paired up with Heimerdinger than with most other typical builds. In fact, Kassadin boasted an average winrate of 51.8% helping carry Heimerdinger with these items in his kit.
To have the highest chance of coming out on top against your oponents, Kassadin players should equip the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Sudden Impact, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Of all the rune combinations that we analyzed for this champion pairing, this order of runes resulted in the greatest win rate. Notably, these runes gave a 51.8% win rate overall.
If you want to view Kassadin and Heimerdinger synergy tips and builds for a an individual skill level, please choose one from the selection menu displayed above. At first, the stats and guides given are calculated using all rounds with data with these champs.