A fully charged Vault Breaker will deal double damage. It's great for catching and finishing off fleeing enemies.
Relentless Force does full damage to anyone caught in the shockwave. Use it on minions in lane to hit enemies hiding behind them.
Cease and Desist is a powerful initiation tool, just remember not to get too far ahead of the rest of your team.
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 stat comparisons shown on this page clarify several significant Vi vs. Katarina matchup statistics that may help you understand the distinctions between the two. As an example, Vi’s KDA ratio ([kills + assists] / deaths) of NaN is better than Katarina’s ratio of NaN, demonstrating that Vi may be more central to her team's team fighting capacity than Katarina..
Vi normally has a slightly smaller longest killing spree than her opponent does. Commonly, she takes more damage than Katarina. This typically indicates different amounts of tankyness; however, it can also illustrate that the one champ has less mobility and thus is not able to flee from further harm when engaged or poked.
Both LoL champs are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Vi usually wins when taking on Katarina, with a 54.2% win rate. Thus, Vi makes a great counter to Katarina.
While Vi does have a much higher win rate compared to Katarina, when they face off with one another, Vi also has a much lower difficulty level that makes her a less challenging champion to pick up and master. You don't need to be too worried when picking Vi into Katarina.
Moreover, Vi also has only a small amount of utility and CC, a similar amount to Katarina. This often makes her just as valuable during teamfights, especially when facing champions with a lot of burst damage.
While there is not one best champion in League of Legends, in Vi vs Katarina matchups, Vi is the better champion with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your teammates during late stage team fights.
Vi is a great counter for Katarina. You will do well by focussing your play on keeping up your gold and cs and destroying objectives. If you are able to do that, you should hold your own as Vi against Katarina.
To learn all of the intricacies of Vi to counter Katarina during both the early game and mid / late game phases of League of Legends, you should continue reading to gather a few extra tips and tricks for this matchup. If you mind the build and suggestions shown here, you will increase your win rate significantly and be closer to League of Legends pro players.
Vi on average accumulates a lot less CS relative to Katarina. Champs who typically don't take many minion kills often don't need much CS to be effective, such as supports. They are able to scale properly off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically have to have many items to be effective. In either situation, try to surpass the numbers displayed on this page to do well.
The best items to focus on in your Vi versus Katarina build include Sterak's Gage, Death's Dance, and Sundered Sky. When Vi incorporated at least these three pieces in her build, she did a lot better versus Katarina than with many other commonly used item sets. In fact, Vi had an average winrate of 54.2% battling Katarina with these items in her kit.
To have the best chance of annihilating Katarina as Vi, you should use the Hail of Blades, Sudden Impact, Eyeball Collection, Relentless Hunter, Triumph, and Legend: Alacrity runes from the Domination and Precision rune sets. Of all the runes players picked for Vi vs Katarina matchups, this sequence of runes resulted in the best win rate. Moreover, these runes provided a 54.2% winrate overall.
If you would like to see Vi x Katarina tips and counter builds for a an individual rank, feel free to choose one from the selection menu provided above. By default, the statistics and build suggestions given are calculated using all rounds played with these champions.