Fizz's spells scale off Ability Power - consider getting items like Zhonya's Hourglass or Banshee's Veil against teams that have high burst threat - and items like Lich Bane or Rabadon's Deathcap if you think you can survive without the Health.
Since Fizz can move through units, find opportunities in lane to walk through minions and apply Seastone Trident's passive - following it up with the ability's active attack after a few seconds.
Fizz's ultimate ability, Chum the Waters, can be aimed at an enemy or towards the area where you think they'll be going.
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 Fizz 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, Fizz sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Kassadin. His KDA fell from NaN to NaN. This fall shows that Kassadin helps Fizz perform worse in competitive LoL matches. Yet, the small difference demonstrates that this performance change is not very impactful.
When Fizz tries to synergize with Kassadin, he gets a large drop in his complete damage output. This change may demonstrate that Kassadin does not support by providing cover for him to dish out more damage or that his presence on the team also helps extend the round's duration. Similarly, when Fizz is played alongside Kassadin on the same side, 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 Kassadin.
Additionally, when Fizz plays with Kassadin on the same team, he on average receives more damage than when he plays alone. Taking more damage may mean that Kassadin does a poor job of protecting Fizz during team fights.
There is no perfect ally for Fizz that will 100% of the time be his #1 teammate. However, overall, Kassadin is a terrible ally for Fizz. By locking into the same side as Fizz, he lowers their win rate by -6.2% to 46.4%. This clearly indicates that there is a terrible synergy between Fizz and Kassadin that allows them to perform not as well together than without each other.
Kassadin has a greater difficulty than Fizz. That means Fizz players need to be very careful when lining up Kassadin comrades to play with, as they will require a greater level of skill to do well with you.
Playing on the same side, Fizz players should witness an overall large increase in your team’s capability to deal magical damage. When paired, these champions can blast through enemies with magic damage.
In contrast, by bringing Fizz and Kassadin together, you may not be providing your other teammates a great deal of crowd control. We recommend you have other champs on your team that fills this relative gap in their abilities.
Regardless of the ability of your Kassadin ally, you need to focus on maximizing your income, outlasting your enemies, and taking down objectives. If you follow these simple suggestions, you will do well, regardless.
If you would like to truly master Fizz to pair well with Kassadin during both the early game and mid / late game phases of League of Legends rounds, you should keep reading to gather additional lessons on this champion pairing. If you listen to the build and suggestions shown above, you should increase your win rate by a lot.
The best finished items to build first in your Fizz and Kassadin synergy build consist of Lich Bane, Zhonya's Hourglass, and Stormsurge. When Fizz bought at least these three pieces in his build, he did much better when paired up with Kassadin than with most other common item sets. In fact, Fizz had an average win rate of 46.4% when playing alongside Kassadin with these items in his kit.
To have the best likelihood of defeating your oponents, Fizz players should take the Electrocute, Sudden Impact, Eyeball Collection, Relentless Hunter, Presence of Mind, and Coup de Grace runes from the Domination and Precision rune sets. Of all the runes players used for Fizz and Kassadin pairings, this composite of runes yielded the greatest win rate. In fact, these runes averaged a 46.4% winrate overall.
By default, tips, stats, and builds on how to synergize Kassadin with Fizz are presented for all ranked divisions. If you would like to filter the statistics and builds to an individual rank, you can use the selection menu located earlier in the counter matchup guide.