Katarina's abilities deal magic damage, so even if she's building Attack Damage items, get magic resistance to counter her.
Try to save a disable for when Katarina uses her Death Lotus.
The stats shown here show several influential Zeri against Katarina counter stats that can help you interpret the differences and similarities between the two. For instance, Zeri’s KDA ratio ([kills + assists] / deaths) of NaN is better than Katarina’s ratio of NaN, indicating that Zeri may be more central to their team's team fighting capacity than Katarina..
Zeri typically has a slightly smaller longest kill spree than their counter does. Commonly, they takes a similar amount of damage to Katarina. This is usually reflective of differing health capacities, yet it can also illustrate that the champ with increased health has less mobility and thus is not able to kite away from further harm when engaged or poked.
Both LoL champions are great. Both have their strengths, weaknesses, and counters. In the game's current meta, Zeri usually loses when playing against Katarina, with a 47.8% win rate. As a result, Zeri makes a poor counter for Katarina.
While Zeri does have a lower win rate than Katarina, when they face off with one another, Zeri also has a lower difficulty level that makes them a less time consuming champ to pick up and master. You should be very concerned when picking Zeri into Katarina.
Furthermore, Zeri also has some amount of utility and CC, a similar amount to Katarina. This makes her just as valuable during team fights, especially when fighting champions with a ton of burst damage.
While there is not one best champion overall in League of Legends, in Zeri vs Katarina matchups, Katarina is the better champ with a lower win rate, less champion complexity, and a similar amount of utility to help out your allied champions during late stage team fights.
Zeri is a garbage counter for Katarina. Make sure you focus your tactics on increasing your CS and clearing objectives. If you are able to do that, you should be able to stand on your own as Zeri against Katarina.
If you would like to learn all of the intricacies of Zeri to counter Katarina during both the lane 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 listen to the build and suggestions shown above, you should grow your win rate significantly and be that much closer to League of Legends pro players.
Zeri often gets a similar amount of CS compared to Katarina. Champs who on average don't earn much CS typically don't need much CS to be valuable teammates, such as support champions. These kinds of champions are able to scale properly off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically require a lot of items to be effective. In either situation, try to surpass the numbers shown here to do well.
The most important items to use in your Zeri versus Katarina build include Experimental Hexplate, Runaan's Hurricane, and Terminus. When Zeri included at least these three items in their build, they performed significantly better vs Katarina than with many other common item sets. In fact, Zeri had an average win rate of 47.8% battling Katarina with this counter build.
To have the best likelihood of crushing Katarina as Zeri, Zeri players should take the Lethal Tempo, Triumph, Legend: Alacrity, Last Stand, Conditioning, and Overgrowth runes from the Precision and Resolve rune sets. Out of all the rune combinations players picked for Zeri vs Katarina counterpicks, this combo of runes yielded the best win rate. In fact, these runes averaged a 47.8% winrate overall.
If you want to view Zeri vs Katarina tips and builds for a an individual skill level, feel free to select one from the selection menu provided above. By default, the stats and strategies given are computed using all matches completed with these champs.