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.
Aatrox's Infernal Chains are easier to exit when running towards the sides or at Aatrox.
Aatrox's attacks are very telegraphed, so use the time to dodge the hit zones.
Keep your distance when Aatrox uses his Ultimate to prevent him from reviving.
The stat comparisons provided here emphasize some important Kassadin vs. Aatrox matchup stats that may help you grasp the differences between the pair. For instance, Kassadin’s KDA ratio ([kills + assists] / deaths) of NaN is better than Aatrox’s ratio of NaN, indicating that Kassadin may be more central to his team's team fighting potential than Aatrox..
Kassadin often has a similar longest kill spree as his opponent does. Commonly, he receives less damage than Aatrox. This often reflects different amounts of tankyness, yet it can also illustrate that the champ with increased HP has less agility and thus is not able to escape further damage when poked or engaged.
Both League champs are great. Both have their strengths, weaknesses, and counters. In League's current meta, Kassadin usually fairs equally well when taking on Aatrox, with a 49.1% win rate. As a result, Kassadin makes an ok counter to Aatrox.
While Kassadin does have a lower win rate compared to Aatrox, when facing one another, Kassadin also has a much greater learning curve that makes him a more difficult champ to pick up and master. You still need to be cautious when picking Kassadin into Aatroxas his relative depth means you may not be able to unleash his full potential without a significant amount of practice beforehand.
Moreover, Kassadin also has some amount of utility and CC, a similar amount to Aatrox. This makes her just as valuable during teamfights, especially when trying to counter champions with a ton of burst damage.
While there isn't one best champion overall in League of Legends, in Kassadin vs Aatrox matchups, Aatrox is the better champion with a similar win rate, more champion depth, and a similar amount of utility to help out your allies during team fights.
Kassadin is a somewhat poor counter to Aatrox. Make sure you focus your strategy on increasing your CS and destroying objectives. If you do that, you should hold your own as Kassadin against Aatrox.
If you would like to truly master Kassadin to counter Aatrox during both the lane and mid / late game phases of League of Legends, you should continue reading to gather a few extra lessons on this matchup. If you listen to the build and suggestions shown here, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Kassadin on average racks up a similar amount of CS compared to Aatrox. Champs who typically don't acquire many minion kills usualy don't require much CS to be valuable teammates, such as supports. They are able to scale well off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically require several high cost items to be effective. In either situation, try to surpass the numbers displayed here to do well.
The most important items to have in your Kassadin versus Aatrox build consist of Rabadon's Deathcap, Zhonya's Hourglass, and Rod of Ages. When Kassadin used at least these three pieces in his build, he performed a lot better vs. Aatrox than with many other typical builds. In fact, Kassadin boasted an average win rate of 49.1% when playing against Aatrox with this counter build.
To have the highest likelihood of vanquishing Aatrox as Kassadin, you 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 runes players picked for Kassadin vs Aatrox counterpicks, this sequence of runes yielded the highest win rate. Moreover, these runes provided a 49.1% win rate overall.
By default, tips, statistics, and builds on how to beat Aatrox as Kassadin are presented for all skill levels combined. If you would like to narrow the statistics and builds to a distinct division, you can use the selection menu earlier on the page.