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.
Placing a Living Shadow before using Death Mark can give Zed a safe escape from combat.
Saving energy and spell cooldowns until you use your ultimate will maximize Death Mark's damage.
Quickly double tapping Living Shadow will teleport Zed to his shadow immediately for rapid escapes.
The Kassadin Zed synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Zed, 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 Zed. His KDA fell from NaN to NaN. This negative change shows that Zed helps Kassadin perform not as well in competitive LoL rounds. Yet, the small difference indicates that this performance change is not very impactful.
When Kassadin plays on the same team as Zed, he gets a barely noticable drop in his complete damage output. This difference could signal that Zed doesn't help protection for him to deal more damage or that his participation also helps increase the match's duration. Similarly, when Kassadin is played together with Zed on the same team, he usually scores many fewer killing sprees than when he plays alone. This is contrasting evidence that he is worse when playing with Zed.
Additionally, when Kassadin plays with Zed on the same side, he usually receives a little more damage than when he plays alone. Taking more damage may mean that Zed does a poor job of covering Kassadin during teamfights.
There is no ideal synergy for Kassadin that will always be his #1 teammate. Yet, overall, Zed is a terrible companion for Kassadin. By being on the same team as Kassadin, he lowers their win rate by -3.3% to 46.7%. This proves that there is a terrible strategic relationship between Kassadin and Zed that allows them to perform not as well together than alone.
Zed has a lower difficulty than Kassadin. That means Kassadin players don't need to be very careful when arranging Zed comrades to play with, as they will need a lower level of skill to play well with you.
Fighting cooperatively, you should observe an overall large increase in your team’s capability to dish out massive AD. When paired, these champs can tear through the other team with a lot of physcial damage.
In contrast, by aligning Kassadin and Zed together, you may not be granting your other allies much support. We recommend you bring other champions on your team that nullifies this disparity in this pairing's capabilities.
Regardless of the ability of your Zed ally, you need to focus on maximizing your gold income, warding to avoid ambushes, and clearing objectives. If you follow these simple suggestions, you will do well, regardless.
To learn all of the intricacies of Kassadin in order to pair well with Zed during both the early game and mid / late game phases of League of Legends, you should continue reading to master additional tips and tricks for this champion pairing. If you use the build and suggestions displayed above, you should increase your win rate by a lot.
The ideal finished items to prioritize in your Kassadin and Zed synergy build include Seraph's Embrace, Malignance, and Rod of Ages. When Kassadin bought at least these three pieces in his build, he did significantly better as an ally of Zed than with most other commonly used item sets. In fact, Kassadin boasted an average winrate of 46.7% when synergizing his build and playstyle to Zed with this build.
To have the highest chance of beating your oponents, Kassadin players should use the Fleet Footwork, Presence of Mind, Legend: Tenacity, Coup de Grace, Overgrowth, and Second Wind runes from the Precision and Resolve rune sets. Out of all the runes we have analyed for this team composition, this combo of runes resulted in the best win rate. Moreover, these runes averaged a 46.7% winrate overall.
By default, tips, stats, and builds on how to synergize Zed with Kassadin are presented for every ranked division. If you want to narrow the statistics and builds to a specific rank, you can use the selection menu earlier on the page.