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.
Cast World Ender when you are sure you can force a fight.
Use Umbral Dash while casting The Darkin Blade to increase your chances of hitting the enemy.
Crowd Control abilities like Infernal Chains or your allies' immobilizing effects will help you set up The Darkin Blade.
The Kassadin Aatrox synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Aatrox, 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 Aatrox. His KDA fell from NaN to NaN. This drop shows that Aatrox helps Kassadin perform worse in competitive LoL games. Yet, the small difference shows that this performance change is only marginal.
When Kassadin is an ally to Aatrox, he sees a marginal improvement in his full damage output. This difference may demonstrate that Aatrox helps provide protection for him to deal more damage or that his presence on the team also helps extend the round's duration. Similarly, when Kassadin is played together with Aatrox on the same team, he usually scores many fewer killing sprees than when he plays without Aatrox. This is contrasting evidence that he is worse when playing synergisticly with Aatrox.
Moreover, when Kassadin plays with Aatrox on the same side, he on average receives a little less damage than when he fights alone. Receiving not as much damage may indicate that Aatrox does a decent job of covering Kassadin in teamfights.
There is no perfect ally for Kassadin that will 100% of the time be his #1 synergy. Yet, Aatrox is a decent companion for Kassadin. By being on the same team as Kassadin, he increases their win rate by 1.8% to 51.8%. This demonstrates that there is a good bond between Kassadin and Aatrox that allows them to perform stronger together than without each other.
Aatrox has a much lower diffuclty than Kassadin. That means Kassadin players don't need to be very careful when lining up Aatrox allies to go into battle on the same side as, as they will have to have a much lower level of skill to be able to play well with you.
Playing together, Kassadin players will likely witness an overall large increase in your team’s ability to deal physical damage. Combined, these two can tear through the other team with a lot of physcial damage.
Although, by aligning Kassadin and Aatrox together, you will not be giving your side enough utility. Plan to have other champs on your team that helps cover this disparity in their abilities.
Regardless of your Aatrox ally's ability, you should focus on maximizing your income, warding to avoid ambushes, and taking down objectives. If you heed this simple advice, you should do well anyway.
To learn all of the intricacies of Kassadin to work well with Aatrox during both the early game and mid / late game phases of League rounds, you should continue reading to learn some more tricks and insights into this champion pairing. If you use the build and tips shown here, you will increase your win rate significantly.
The most important finished items to use in your Kassadin and Aatrox synergy build include Seraph's Embrace, Rabadon's Deathcap, and Malignance. When Kassadin used at least these three pieces in his build, he performed significantly better when paired up with Aatrox than with most other typical builds. In fact, Kassadin boasted an average winrate of 51.8% when playing alongside Aatrox with this build.
To have the best probability of crushing your oponents, Kassadin players should use 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 players picked for this team composition, this composite of runes yielded the greatest win rate. Notably, these runes gave a 51.8% winrate overall.
By default, tips, stats, and builds on how to pair Aatrox with Kassadin are displayed for every ranked division. If you want to narrow the statistics and builds to a distinct player tier, you can use the selection menu located at the top of this page.