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.
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.
The Kassadin LeBlanc synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with LeBlanc, 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 large worsening in his KDA (ratio of kills and assists to deaths) when paired with LeBlanc. His KDA decreased from NaN to NaN. This worsening shows that LeBlanc helps Kassadin perform not as well in ranked LoL games. Yet, the small difference proves that this performance change is not very impactful.
When Kassadin tries to synergize with LeBlanc, he gets a moderate decrease in his complete damage dealt. This could indicate that LeBlanc does not provide protection for him to deal more damage or that her support also helps increase the match's duration. Similarly, when Kassadin is played with LeBlanc on the same team, he usually scores many fewer killing sprees than when he plays without LeBlanc. This is contrasting evidence that he is worse when playing with LeBlanc.
Moreover, when Kassadin plays with LeBlanc on the same team, he typically takes less damage than when he fights alone. Taking not as much damage may mean that LeBlanc does a decent job of covering Kassadin in teamfights.
There is no universally accepted best synergy for Kassadin that will no matter what be his best ally. Yet, overall, LeBlanc is a terrible teammate for Kassadin. By playing on the same team as Kassadin, she drops their win rate by -4.0% to 46.0%. This shows that there is an easy to overcome and exploit synergy between Kassadin and LeBlanc that results in them performing worse together than without each other.
LeBlanc has a greater difficulty than Kassadin. That means Kassadin players must be very careful when finding LeBlanc teammates to fight alongside, as they will have to have a greater level of skill to cooperate well with you.
Working on the same side, you will likely witness an overall large increase in your team’s ability to deal magical damage. Together, these two can deal quite a lot of AP type damage.
Although, by aligning Kassadin and LeBlanc together, you probably will not be giving your other teammates a great deal of sustained damage output. We recommend you have other champions on your team that fills this relative hole in their potential.
Regardless of the skill of your LeBlanc teammate, you should focus on increasing your income, staying alive by avoiding foolish fights, and clearing objectives. If you do this, you will do well anyway.
To learn all of the intricacies of Kassadin to work well with LeBlanc during both the early game and mid / late game phases of League matches, you should keep reading to learn additional tricks and insights into this champion pairing. If you listen to the build and stats shown above, you will increase your win rate by a lot.
The top items to focus on in your Kassadin and LeBlanc synergy build include Seraph's Embrace, Malignance, and Rod of Ages. When Kassadin combined at least these three pieces in his build, he did a lot better when fighting alongside LeBlanc than with many other typical builds. In fact, Kassadin boasted an average winrate of 46.0% when synergizing his build and playstyle to LeBlanc with this build.
To have the highest chance of crushing your oponents, you should take the Electrocute, Sudden Impact, Eyeball Collection, Ultimate Hunter, Presence of Mind, and Legend: Tenacity runes from the Domination and Precision rune sets. Of all the runes that we analyzed for this champion pairing, this order of runes yielded the greatest win rate. Moreover, these runes gave a 46.0% winrate overall.
By default, tips, stats, and builds on how to pair LeBlanc with Kassadin are shown for every ranked division. If you want to scope the statistics and builds to a distinct division, you should use the selection menu earlier in the counter matchup guide.