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.
Dodging Arctic Assault and Glacial Prison can give you a huge advantage.
Focus on avoiding the second swing of Winter's Wrath which carries the brunt of the damage.
Melee enemies can also stack Frost for Sejuani, be very careful around them.
The stats provided here underscore some valuable Fizz vs. Sejuani matchup statistics that can help you distinguish the differences between this pair of champions. As an example, Fizz’s KDA ratio ([kills + assists] / deaths) of NaN is more than Sejuani’s KDA ratio of NaN, demonstrating that Fizz may be more central to his team's team fighting effectiveness than Sejuani. This observation is largely caused by the difference in kills.
Fizz often has a much larger longest kill spree than his opponent does. Typically, he takes less damage than Sejuani. This commonly reflects different amounts of tankyness, yet it can also show that the one champion has less mobility and thus is unable to flee from further damage when engaged or poked.
Both League champs are great. Both have their strengths, weaknesses, and counters. In League's current meta, Fizz usually wins when taking on Sejuani, with a 54.7% win rate. Therefore, Fizz makes a great counter for Sejuani.
While Fizz does have a much higher winrate than Sejuani, when facing one another, Fizz also has a greater difficulty level that makes him a more complex champion to develop with. You should be be fine when picking Fizz into Sejuani.
Moreover, Fizz has only a small amount of utility and CC, a similar amount to Sejuani. This makes her just as valuable during teamfights, especially when trying to counter champions with a ton of burst damage.
While there is not one best champion overall in League of Legends, in Fizz vs Sejuani matchups, Fizz is the better champ with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your team members during team fights.
Fizz is a great counter for Sejuani. Make sure you focus your strategy on keeping up your gold and cs and clearing objectives. If you do that, you should be able to stand on your own as Fizz against Sejuani.
If you would like to truly master Fizz to counter Sejuani during both the early game and mid / late game phases of League of Legends, you should keep reading to gather a few extra tricks and insights into this matchup. If you mind the build and tips shown above, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Fizz usually gets much more CS relative to Sejuani. Champs who typically don't take many minion kills often don't require much CS to be valuable teammates, such as support champions. They are able to scale well off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually have to have several high cost items to be effective. In either situation, try to do better than the numbers displayed on this page to do well.
The top items to have in your Fizz versus Sejuani build include Rabadon's Deathcap, Lich Bane, and Stormsurge. When Fizz used at least these three pieces in his build, he performed significantly better against Sejuani than with many other commonly used item sets. In fact, Fizz had an average winrate of 54.7% when countering Sejuani with this counter build.
To have the highest probability of defeating Sejuani as Fizz, Fizz players should equip the Electrocute, Sudden Impact, Eyeball Collection, Treasure Hunter, Triumph, and Coup de Grace runes from the Domination and Precision rune sets. Of all the rune builds players picked for Fizz vs Sejuani matchups, this blending of runes resulted in the greatest win rate. In fact, these runes gave a 54.7% winrate overall.
If you need to view Fizz versus Sejuani tips and counter builds for a a particular rank, please select one from the selection menu above. At first, the statistics and build suggestions shown are computed using all matches completed with both champions.