Using Distortion can help your positioning to land Ethereal Chains.
You can chain Sigil of Malice and Ethereal Chains to prevent characters with blink from escaping for up to 4 seconds.
Distortion allows you to be aggressive with your other spells while being able to return to safety.
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 LeBlanc Kassadin synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Kassadin, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, LeBlanc sees a large worsening in her KDA (ratio of kills and assists to deaths) when paired with Kassadin. His KDA fell from NaN to NaN. This fall shows that Kassadin helps LeBlanc perform worse in competitive League of Legends games. Yet, the small difference indicates that this performance change is not very impactful.
When LeBlanc plays on the same team as Kassadin, she observes a pretty big loss in her total damage dealt. This may signal that Kassadin does not support by providing protection for her to deal more damage or that his presence also helps extend the match's duration. Similarly, when LeBlanc is played together with Kassadin on the same side, he usually scores many fewer killing sprees than when she plays without Kassadin. This is contrasting evidence that she is worse when playing alongside Kassadin.
Moreover, when LeBlanc plays with Kassadin on the same side, she usually takes less damage than when she fights alone. Getting dealt not as much damage could indicate that Kassadin does a decent job of covering LeBlanc during teamfights.
There is no perfect ally for LeBlanc that will no matter what be her #1 teammate. However, Kassadin is a very typical ally for LeBlanc. By being on the same team as LeBlanc, he drops their win rate by -0.8% to 46.0%. This proves that there is a weak bond between LeBlanc and Kassadin that results in them performing not as well together than without each other.
Kassadin has a lower difficulty than LeBlanc. That means you don't need to be cautious when lining up Kassadin teammates to go into battle on the same side as, as they will have to have a relatively low level of skill to be able to do well with you.
When playing alongside, LeBlanc players will likely observe an overall large increase in your team’s capacity to to do a lot of AP damage. Combined, these two are able to dish out a surprising amount of magic type damage.
Conversely, by pairing LeBlanc and Kassadin together, you will not be granting your team much sustained damage output. We recommend you include other champs on your team that fills this relative disparity in this pairing's capabilities.
Regardless of the ability of your Kassadin ally, you should focus on increasing your gold income, outlasting your enemies, and clearing objectives. If you follow these simple suggestions, you will do well anyway.
If you would like to truly master LeBlanc to work well with Kassadin during both the early game and mid / late game phases of League of Legends matches, you should continue reading to gather additional lessons on this champion pairing. If you listen to the build and suggestions presented here, you will increase your win rate significantly.
The most important finished items to focus on in your LeBlanc and Kassadin synergy build include Rabadon's Deathcap, Cryptbloom, and Stormsurge. When LeBlanc included at least these three items in her build, she did much better when fighting alongside Kassadin than with many other commonly used item sets. In fact, LeBlanc had an average winrate of 46.0% when playing alongside Kassadin with this build.
To have the greatest probability of defeating your oponents, you should take the Electrocute, Sudden Impact, Eyeball Collection, Relentless Hunter, Manaflow Band, and Scorch runes from the Domination and Sorcery rune sets. Out of all the rune sets players used for this champion pairing, this sequence of runes yielded the top win rate. Moreover, these runes provided a 46.0% winrate overall.
By default, tips, stats, and builds on how to team up Kassadin with LeBlanc are presented for all ranked divisions combined. To scope the statistics and builds to a specific division, you can use the selection menu earlier in the counter matchup guide.