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.
Even if you're far from a fight you can still help from afar with Mega Inferno Bomb.
Slowing your enemies with Hexplosive Minefield makes it easier to land other abilities.
Knocking yourself over walls with Satchel Charge can be great when chasing after or escaping from enemies.
The Kassadin Ziggs synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Ziggs, 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 Ziggs. His KDA worsened from NaN to NaN. This drop shows that Ziggs helps Kassadin perform worse in ranked League of Legends rounds. Yet, the small difference shows that this performance change is only marginal.
When Kassadin plays on the same team as Ziggs, he gets a small increase in his full damage output. This difference could demonstrate that Ziggs supports by providing protection for him to deal more damage or that his presence on the team also helps extend the match's duration. Similarly, when Kassadin is played with Ziggs on the same team, he usually scores many fewer killing sprees than when he plays on his own. This is contrasting evidence that he is worse when playing with Ziggs.
Moreover, when Kassadin plays with Ziggs on the same side, he usually receives a little more damage than when he plays alone. Receiving more damage could mean that Ziggs does a poor job of protecting Kassadin during teamfights.
There is no universally accepted best champion pairing for Kassadin that will no matter what be his ideal teammate. Yet, Ziggs is a relatively poor teammate for Kassadin. By locking into the same side as Kassadin, he decreases their win rate by -2.2% to 47.8%. This proves that there is a bad synergy between Kassadin and Ziggs that results in them performing worse together than alone.
Ziggs has a much lower diffuclty than Kassadin. That means you don't need to be cautious when finding Ziggs allies to go into battle on the same side as, as they will have to have a much lower level of skill to be able to do well with you.
Fighting on the same side, Kassadin players should expect to observe an overall large increase in your team’s capacity to to do a lot of AP damage. Combined, these two can blast through enemies with magic damage.
Although, by aligning Kassadin and Ziggs together, you probably will not be providing your side very much attack damage. We recommend you pick other champions on your team that neutralizes this gap in this pairing's capabilities.
Regardless of your Ziggs ally's skill level, you should focus on increasing your income, warding to avoid ambushes, and clearing objectives. If you heed this simple advice, you will do well, regardless.
If you would like to learn all of the intricacies of Kassadin in order to work well with Ziggs during both the early game and mid / late game phases of LoL rounds, you should keep reading to learn additional tricks and insights into this champion pairing. If you mind the build and stats presented above, you will increase your win rate significantly.
The most important finished items to have in your Kassadin and Ziggs synergy build include Seraph's Embrace, Malignance, and Rod of Ages. When Kassadin bought at least these three finished items in his build, he performed a lot better when fighting alongside Ziggs than with many other commonly used item sets. In fact, Kassadin had an average win rate of 47.8% when synergizing his build and playstyle to Ziggs with these items in his kit.
To have the highest chance of beating your oponents, you should use the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Sudden Impact, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Of all the runes players chose for this champion pairing, this mix of runes resulted in the top win rate. In fact, these runes provided a 47.8% win rate overall.
By default, tips, stats, and builds on how to team up Ziggs with Kassadin are displayed for every ranked division. If you would like to scope the statistics and builds to a particular skill level, you can use the selection menu earlier on the page.