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.
Rengar's passive enables him to leap out of brush, so avoid fighting him when near bushes.
Rengar puts an indicator over the nearest enemy champion when he is camouflaged during his ultimate.
Rengar gains an empowered ability when his resource bar is full. Try to confront him when it's low.
The stats provided here clarify several valuable Fizz against Rengar counter statistics that can help us explain the differences and similarities between the two. For instance, Fizz’s KDA ratio ([kills + assists] / deaths) of NaN is more than Rengar’s ratio of NaN, indicating that Fizz may be more central to his team's team fighting capability than Rengar..
Fizz usually has a slightly larger longest kill spree than his counter does. On average, he receives less damage than Rengar. This commonly reflects different amounts of tankyness, but it can also imply that the one champ has less agility and thus is not able to kite away from additional harm when poked or engaged.
Both League champions are great. Both champs have their pros and cons. In League's current meta, Fizz usually wins when trying to fight Rengar, with a 54.9% win rate. As a result, Fizz makes a great counter to Rengar.
While Fizz does have a much higher winrate than Rengar, when facing one another, Fizz also has a lower learning curve that makes him a less difficult champion to learn. You should be be fine when picking Fizz into Rengar.
Furthermore, Fizz also has almost no amount of CC and other utility, a similar amount to Rengar. This often makes her just as valuable during team fights, 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 Rengar matchups, Fizz is the better champion with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your allied champions during team fights.
Fizz is a great counter for Rengar. Focus your gameplay on keeping up your gold income and clearing objectives. If you can do that, you should hold your own as Fizz against Rengar.
To truly master Fizz in order to counter Rengar during both the early game and mid / late game phases of League of Legends, you should keep reading to learn a few extra tricks and insights into this matchup. If you mind the build and suggestions presented above, you should increase your win rate by a lot and be closer to League of Legends pro players.
Fizz typically picks up much more CS compared to Rengar. Champs who typically don't take much CS typically don't have to have much CS to be effective, such as sup champs. These kinds of champions are able to scale well off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, often require a lot of items to be effective. In either situation, try to exceed the numbers shown on this page to do well.
The most important items to prioritize in your Fizz versus Rengar build include Lich Bane, Cryptbloom, and Stormsurge. When Fizz bought at least these three items in his build, he performed much better when facing Rengar than with most other common item sets. In fact, Fizz boasted an average win rate of 54.9% when playing against Rengar with this build.
To have the best likelihood of vanquishing Rengar as Fizz, you should use 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 combinations players picked for Fizz vs Rengar counterpicks, this sequence of runes yielded the best win rate. In fact, these runes gave a 54.9% win rate overall.
By default, tips, stats, and builds on how to beat Rengar as Fizz are presented for all skill levels, merged. If you would like to scope the stats and builds to a distinct rank, you can use the selection menu located earlier on the page.