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.
Pale Cascade orbs only last a few seconds. Avoid Diana and engage her after the shield dissipates.
Diana can play very aggressively if she uses Lunar Rush without Moonlight, but you can punish her by slowing or stunning her when she has no way to get back into position.
Dodge Crescent Strike, or move to safety if you are affected by Moonlight.
The stat comparisons shown here clarify several vital Fizz versus Diana counter stats that can help us appreciate the distinctions between the pair. For instance, Fizz’s KDA ratio ([kills + assists] / deaths) of NaN is more than Diana’s ratio of NaN, indicating that Fizz may be more central to his team's team fighting capability than Diana..
Fizz normally has a similar longest kill spree as his opponent does. Typically, he takes a similar amount of damage to Diana. This is usually reflective of different amounts of tankyness, yet it can also imply that the one champ has less mobility and thus is not able to kite away from additional damage when poked or engaged.
Both League of Legends champs are great champions. Both have their pros and cons. In the game's current meta, Fizz usually wins when trying to fight Diana, with a 51.8% win rate. Thus, Fizz makes a good counter to Diana.
While Fizz does have a higher winrate compared to Diana, when they face off with one another, Fizz also has a greater level of difficulty that makes him a more complex champ to develop with. You should be careful when picking Fizz into Diana.
Moreover, Fizz also has only a small amount of utility and CC, a similar amount to Diana. This makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there is not a single best champion for every situation in League of Legends, in Fizz vs Diana matchups, Fizz is the better champion with a higher win rate, more champion depth, and a similar amount of utility to help out your team members during teamfights.
Fizz is a decent counter to Diana. Make sure you focus your actions on maximizing your gold and cs and taking out objectives. If you do that, you should hold your own as Fizz against Diana.
If you would like to truly master Fizz to counter Diana during both the laning and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tricks and insights into this matchup. If you listen to the build and tips displayed above, you should increase your win rate by a lot and be that much closer to League of Legends pro players.
Fizz usually racks up more CS relative to Diana. Champions who on average 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 properly off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, often have to have many items to be effective. In either situation, try to exceed the numbers reported on this page to do well.
The most important items to use in your Fizz versus Diana build include Rabadon's Deathcap, Lich Bane, and Shadowflame. When Fizz included at least these three items in his build, he performed a lot better versus Diana than with most other common builds. In fact, Fizz had an average winrate of 51.8% when countering Diana with this counter build.
To have the greatest probability of crushing Diana as Fizz, you should equip the Electrocute, Sudden Impact, Eyeball Collection, Ingenious Hunter, Triumph, and Coup de Grace runes from the Domination and Precision rune sets. Of all the rune sets players used for Fizz vs Diana counters, this order of runes resulted in the best win rate. Moreover, these runes averaged a 51.8% winrate overall.
By default, tips, statistics, and builds on how to beat Diana as Fizz are displayed for all ranked divisions combined. If you want to filter the statistics and builds to a specific division, you can use the selection menu above.