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.
You can use Comet of Legend's flight to grow Starsurge to massive proportions.
Comet of Legend allows you to move quickly around the map; use it to put pressure on other lanes.
Save Voice of Light to use as a defense against melee opponents if you need to - otherwise, use its slow to start a fight at long range.
The Kassadin Aurelion Sol synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Aurelion Sol, 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 Aurelion Sol. His KDA fell from NaN to NaN. This drop shows that Aurelion Sol helps Kassadin perform worse in ranked League of Legends rounds. Yet, the small difference demonstrates that this performance change is not very impactful.
When Kassadin is paired with Aurelion Sol, he observes a moderate decrease in his complete damage output. This may indicate that Aurelion Sol does not help protection for him to deal more damage or that his allyship also helps extend the round's duration. Similarly, when Kassadin is played with Aurelion Sol on the same side, he usually scores many fewer killing sprees than when he plays without Aurelion Sol. This is contrasting evidence that he is worse when playing synergisticly with Aurelion Sol.
Additionally, when Kassadin plays with Aurelion Sol on the same team, he usually receives more damage than when he plays alone. Taking more damage may mean that Aurelion Sol does a poor job of protecting Kassadin during team fights.
There is no top companion for Kassadin that will no matter what be his ideal teammate. Yet, overall, Aurelion Sol is a very bad teammate for Kassadin. By locking into the same team as Kassadin, he decreases their win rate by -9.8% to 40.2%. This demonstrates that there is an easy to overcome and exploit strategic relationship between Kassadin and Aurelion Sol that results in them performing not as well together than alone.
Aurelion Sol has a lower difficulty than Kassadin. That means Kassadin players don't need to be very careful when lining up Aurelion Sol allies to play with, as they will need a relatively low level of skill to be able to fight well with you.
Playing on the same side, you will likely see an overall large increase in your team’s capability to to do a lot of AP damage. When paired, these two are able to dish out a surprising amount of magic type damage.
In contrast, by grouping Kassadin and Aurelion Sol together, you may not be granting your team very much sustained damage output. Plan to have other champs on your team that nullifies this gap in their playstyle.
Regardless of your Aurelion Sol ally's skill level, you need to focus on increasing your income, staying alive by avoiding foolish fights, and clearing objectives. If you heed this simple advice, you should do well anyway.
To learn all of the intricacies of Kassadin in order to synergize with Aurelion Sol during both the lane and mid / late game phases of LoL matches, you should keep reading to pick up some more tips and tricks for this champion pairing. If you use the build and tips displayed here, you should grow your win rate by a lot.
The ideal items to include in your Kassadin and Aurelion Sol synergy build include Seraph's Embrace, Malignance, and Rod of Ages. When Kassadin included at least these three items in his build, he did significantly better as an ally of Aurelion Sol than with most other common item sets. In fact, Kassadin boasted an average winrate of 40.2% helping carry Aurelion Sol with these items in his kit.
To have the highest likelihood of beating your oponents, Kassadin players should take the Electrocute, Sudden Impact, Eyeball Collection, Ultimate Hunter, Presence of Mind, and Legend: Tenacity runes from the Domination and Precision rune sets. Out of all the runes players used for Kassadin and Aurelion Sol pairings, this mixture of runes yielded the highest win rate. Moreover, these runes gave a 40.2% win rate overall.
By default, tips, statistics, and builds on how to pair Aurelion Sol with Kassadin are given for all skill levels, merged. To filter the stats and builds to an individual rank, you can use the selection menu earlier in the counter matchup guide.