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.
For increased range and damage, try casting Shock Blast through the Acceleration Gate.
If you find yourself taking lots of damage, try using Jayce's Hammer Stance, as it grants you additional defenses.
Be sure to switch stances often. It will enhance your attacks and grant you quick bursts of speed.
The Kassadin Jayce synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Jayce, 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 Jayce. His KDA worsened from NaN to NaN. This fall shows that Jayce helps Kassadin perform poorer in competitive League rounds. Yet, the small difference demonstrates that this performance change is not very impactful.
When Kassadin is paired with Jayce, he observes a small decrease in his full damage output. This may signal that Jayce does not provide protection for him to deal more damage or that his presence also helps extend the match's duration. Similarly, when Kassadin is played together with Jayce on the same team, he usually scores many fewer killing sprees than when he plays without Jayce. This is contrasting evidence that he is worse when playing alongside Jayce.
Additionally, when Kassadin plays with Jayce on the same team, he usually takes a little less damage than when he plays alone. Getting dealt not as much damage could indicate that Jayce does a decent job of covering Kassadin during teamfights.
There is no universally accepted best ally for Kassadin that will 100% of the time be his top synergy. However, overall, Jayce is a decent teammate for Kassadin. By playing on the same team as Kassadin, he increases their win rate by 2.0% to 52.0%. This demonstrates that there is a somewhat important synergy between Kassadin and Jayce that results in them performing better together than without each other.
Jayce has a lower difficulty than Kassadin. That means Kassadin players don't need to be careful when enlisting Jayce comrades to fight alongside, as they will have to have a relatively low level of skill to play well with you.
Working on the same side, Kassadin players will likely witness an overall large increase in your team’s capacity to deal physical damage. Combined, these champions can tear through the other team with a lot of physcial damage.
Conversely, by aligning Kassadin and Jayce together, you will not be granting your other teammates very much support. We recommend you pick other champs on your team that nullifies this relative gap in their kit.
Regardless of the skill of your Jayce teammate, you need to focus on maximizing your gold income, warding to avoid ambushes, and clearing objectives. If you do this, you should do well anyway.
If you would like to learn all of the intricacies of Kassadin to work well with Jayce during both the laning and mid / late game phases of League games, you should keep reading to pick up a few extra tricks and insights into this champion pairing. If you use the build and tips presented here, you will grow your win rate significantly.
The most important finished items to prioritize in your Kassadin and Jayce synergy build include Seraph's Embrace, Rabadon's Deathcap, and Rod of Ages. When Kassadin used at least these three great items in his build, he did a lot better as an ally of Jayce than with many other typical builds. In fact, Kassadin boasted an average winrate of 52.0% helping carry Jayce with this build.
To have the greatest probability of defeating 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. Of all the rune combinations that we analyzed for Kassadin and Jayce pairings, this combination of runes resulted in the top win rate. Moreover, these runes averaged a 52.0% win rate overall.
By default, tips, statistics, and builds on how to synergize Jayce with Kassadin are given for all skill levels combined. If you want to filter the statistics and builds to a specific skill level, you may use the selection menu located above.