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.
Lead your enemy when targeting with Noxious Blast to ensure the hit.
Use Twin Fang on poisoned stationary targets like monsters and units stunned by her Petrifying Gaze for maximum damage.
The Kassadin Cassiopeia synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Cassiopeia, 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 Cassiopeia. His KDA fell from NaN to NaN. This worsening shows that Cassiopeia helps Kassadin perform poorer in ranked League of Legends matches. Yet, the small difference proves that this performance change is only marginal.
When Kassadin is an ally to Cassiopeia, he sees a small increase in his total damage dealt. This may indicate that Cassiopeia helps provide cover for him to dish out more damage or that her participation also helps increase the match's duration. Similarly, when Kassadin is played together with Cassiopeia on the same team, he usually scores many fewer killing sprees compared to when he plays without Cassiopeia. This is contrasting evidence that he is worse when playing synergisticly with Cassiopeia.
Moreover, when Kassadin plays with Cassiopeia on the same side, he usually receives a little more damage than when he plays alone. Getting dealt more damage may indicate that Cassiopeia does a poor job of protecting Kassadin in teamfights.
There is no perfect ally for Kassadin that will 100% of the time be his best teammate. However, overall, Cassiopeia is a terrible companion for Kassadin. By being on the same team as Kassadin, she drops their win rate by -4.6% to 45.4%. This signals that there is an easy to overcome and exploit synergy between Kassadin and Cassiopeia that allows them to perform worse together than without each other.
Cassiopeia has a greater difficulty than Kassadin. That means you must be very careful when finding Cassiopeia comrades to go into battle on the same side as, as they will require a greater level of skill to play well with you.
Working together, you should observe an overall large increase in your team’s capacity to deal magic damage. Together, these two are able to dish out a surprising amount of magic type damage.
Conversely, by aligning Kassadin and Cassiopeia together, you may not be granting your other teammates enough AD. Make sure to have other champs on your team that offsets this gap in this pairing's potential.
Regardless of your Cassiopeia ally's ability, you need to focus on increasing your gold income, staying alive by avoiding foolish fights, and taking down objectives. If you follow these simple suggestions, you should do well, regardless.
To learn all of the intricacies of Kassadin to work well with Cassiopeia during both the laning and mid / late game phases of League of Legends rounds, you should continue reading to pick up additional tips and tricks for this champion pairing. If you use the build and suggestions displayed above, you should increase your win rate significantly.
The best items to use in your Kassadin and Cassiopeia synergy build consist of Seraph's Embrace, Malignance, and Rod of Ages. When Kassadin used at least these three pieces in his build, he did a lot better when fighting alongside Cassiopeia than with most other common builds. In fact, Kassadin had an average win rate of 45.4% when playing alongside Cassiopeia with these items in his kit.
To have the highest chance of vanquishing your oponents, Kassadin players should use 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 chose for this champion pairing, this sequence of runes resulted in the top win rate. Notably, these runes provided a 45.4% win rate overall.
By default, tips, stats, and builds on how to pair Cassiopeia with Kassadin are shown for every ranked division. If you would like to filter the statistics and builds to a specific rank, you should use the selection menu located above.