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.
It takes 6 spell casts for Kassadin's slow, Force Pulse, to become castable. If he levels up that ability, judiciously use your own skills while laning against him.
Kassadin deals mostly magic damage. If he's doing well consider buying magic resist items like Mercury's Treads and Banshee's Veil.
Each time Kassadin consecutively uses Riftwalk, he pays more and more mana. Keep this in mind as you chase him.
The stats provided here clarify several significant Fizz against Kassadin counter stats that may help you realize the differences between this pair of champions. Fizz’s KDA ratio ([kills + assists] / deaths) of NaN is better than Kassadin’s ratio of NaN, indicating that Fizz may be more central to his team's team fighting effectiveness than Kassadin..
Fizz normally has a slightly larger longest killing spree than his matchup does. On average, he takes less damage than Kassadin. This commonly reflects differing health capacities; however, it can also show that the one champ has less agility and thus is not able to flee from further harm when engaged or poked.
Both LoL champions are great champions. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Fizz usually fairs equally well when facing off against Kassadin, with a 50.6% win rate. Thus, Fizz makes an ok counter to Kassadin.
While Fizz does have a higher win rate than Kassadin, when on opposite teams, Fizz also has a lower level of difficulty that makes him a less time consuming champ to learn and master. You still need to be cautious when picking Fizz into Kassadin.
Additionally, Fizz also has almost no amount of CC and other utility, a similar amount to Kassadin. This makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there isn't one best champion overall in League of Legends, in Fizz vs Kassadin matchups, Fizz is the better champ with a similar win rate, less champion complexity, and a similar amount of utility to help out your team members during team fights.
Fizz is a decent counter for Kassadin. Focus your strategy on increasing your CS and taking out objectives. If you are able to do that, you should be able to stand on your own as Fizz against Kassadin.
If you would like to learn all of the intricacies of Fizz to counter Kassadin during both the early game and mid / late game phases of League of Legends, you should continue reading to gather a few extra lessons on this matchup. If you pay attention to the build and tips displayed here, you will increase your win rate by a lot and be closer to League of Legends pro players.
Fizz often gets a similar amount of CS compared to Kassadin. Champions who typically don't take many minion kills often don't need much CS to be valuable teammates, such as sup champs. These kinds of champions are capable of scaling well off of their skills, stats, and first items alone. Yet, champs with a lot of CS, such as hyper-carries, typically need a lot of items to be effective. In either situation, try to exceed the values displayed here to do well.
The best items to use in your Fizz versus Kassadin build include Rabadon's Deathcap, Lich Bane, and Shadowflame. When Fizz bought at least these three pieces in his build, he performed significantly better countering Kassadin than with most other typical item sets. In fact, Fizz had an average win rate of 50.6% battling Kassadin with these items in his kit.
To have the highest chance of coming out on top against Kassadin as Fizz, Fizz players should equip the Electrocute, Sudden Impact, Eyeball Collection, Ingenious Hunter, Triumph, and Coup de Grace runes from the Domination and Precision rune sets. Out of all the rune combinations we have analyed for Fizz vs Kassadin counter picks, this combo of runes yielded the highest win rate. Notably, these runes averaged a 50.6% win rate overall.
By default, tips, statistics, and builds on how to beat Kassadin as Fizz are presented for all skill levels, merged. If you would like to scope the stats and builds to an individual division, you should use the selection menu located earlier on the page.