Each of Aphelios' weapons have different strengths, so try to find the right situation for your current weapons.
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 Aphelios Kassadin synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Kassadin, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Aphelios sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Kassadin. His KDA went down from NaN to NaN. This decrease shows that Kassadin helps Aphelios perform poorer in competitive League of Legends games. Yet, the small difference shows that this performance change is not very impactful.
When Aphelios is an ally to Kassadin, he gets a small increase in his complete damage dealt. This may indicate that Kassadin provides cover for him to deal more damage or that his presence also helps extend the game's duration. Similarly, when Aphelios is played together with Kassadin on the same side, he usually scores many fewer killing sprees compared to when he plays on his own. This is contrasting evidence that he is worse when playing with Kassadin.
Additionally, when Aphelios plays with Kassadin on the same team, he often receives a little less damage than when he plays alone. Receiving not as much damage could mean that Kassadin does a decent job of covering Aphelios in team fights.
There is no universally accepted best ally for Aphelios that will no matter what be his top teammate. Yet, overall, Kassadin is a very typical teammate for Aphelios. By playing on the same team as Aphelios, he decreases their win rate by -0.5% to 48.1%. This shows that there is a weak bond between Aphelios and Kassadin that results in them performing worse together than alone.
Kassadin has a lower difficulty than Aphelios. That means Aphelios players don't need to be cautious when lining up Kassadin allies to go into battle on the same side as, as they will have to have a relatively low level of skill to fight well with you.
When playing cooperatively, Aphelios players should expect to observe an overall large increase in your team’s ability to dish out massive AD. Combined, these champs can provide a great amount of sustained physical damage.
Although, by bringing Aphelios and Kassadin together, you may not be providing your team enough cover. We recommend you include other champs on your team that nullifies this hole in this pairing's abilities.
Regardless of your Kassadin ally's skill level, you should focus on increasing your gold income, warding to avoid ambushes, and clearing objectives. If you follow these simple suggestions, you will do well, regardless.
If you would like to learn all of the intricacies of Aphelios to pair well with Kassadin during both the laning and mid / late game phases of League rounds, you should continue reading to gather a few extra tricks and insights into this champion pairing. If you mind the build and suggestions shown above, you will increase your win rate significantly.
The top finished items to have in your Aphelios and Kassadin synergy build include Infinity Edge, Kraken Slayer, and The Collector. When Aphelios used at least these three great items in his build, he performed significantly better when paired up with Kassadin than with most other typical builds. In fact, Aphelios had an average win rate of 48.1% when playing alongside Kassadin with these items in his kit.
To have the highest chance of beating your oponents, Aphelios players should equip the Lethal Tempo, Overheal, Legend: Bloodline, Cut Down, Absolute Focus, and Gathering Storm runes from the Precision and Sorcery rune sets. Of all the runes players picked for Aphelios and Kassadin pairings, this mixture of runes resulted in the highest win rate. Moreover, these runes gave a 48.1% win rate overall.
If you need to see Aphelios with Kassadin synergy tips and stats for a a particular division rank, feel free to choose one from the selection menu above. By default, the statistics and build suggestions shown are computed using every game with data with both champions.