Vi cannot be stopped while using her ult. Remember to save your displacement effects until after she's done charging.
A fully charged Vault breaker deals double damage. If you see Vi start to charge you should back off or try to dodge it.
Vi will shred your Armor and gain Attack Speed if she manages to hit you three times in a row. Try not to engage in extended brawls with her.
The stat comparisons provided here emphasize several valuable Senna against Vi matchup statistics that may help us understand the differences and similarities between this set of champions. For instance, Senna’s KDA ratio ([kills + assists] / deaths) of NaN is better than Vi’s KDA ratio of NaN, showing that Senna may be more central to her team's team fighting capacity than Vi. This observation is largely caused by the differences in assists.
Senna typically has a slightly smaller longest killing spree than her foe does. Typically, she takes less damage than Vi. This is usually reflective of differing health capacities; however, it can also illustrate that the champion with higher HP has less agility and thus is not able to flee from further damage when poked or engaged.
Both League of Legends champs are great. Both champs have their pros and cons. In League's current meta, Senna usually fairs equally well when facing off against Vi, with a 50.4% win rate. As a result, Senna makes an ok counter to Vi.
While Senna does have a higher win rate than Vi, when facing one another, Senna also has a much greater level of difficulty that makes her a more complex champion to learn. You should be careful when picking Senna into Vias her relative depth means you may not be able to unleash her full potential without a significant amount of practice beforehand.
Furthermore, Senna also has a good amount of CC and other utility, a similar amount to Vi. This makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there is not one best champion in League of Legends, in Senna vs Vi matchups, Senna is the better champion with a similar win rate, more champion depth, and a similar amount of utility to help out your teammates during teamfights.
Senna is a decent counter to Vi. Focus your play on increasing your gold and cs and taking out objectives. If you are able to do that, you should do very well as Senna against Vi.
To learn all of the intricacies of Senna to counter Vi during both the laning and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tips and tricks for this matchup. If you listen to the build and stats shown above, you should grow your win rate significantly and be that much closer to League of Legends pro players.
Senna often gets more CS relative to Vi. Champs who typically don't take much CS usualy don't have to have much CS to be valuable teammates, such as sup champs. These kinds of champions are able to scale well off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically have to have a lot of items to be effective. In either situation, try to exceed the values displayed here to do well.
The ideal items to use in your Senna versus Vi build include Infinity Edge, Rapid Firecannon, and Youmuu's Ghostblade. When Senna used at least these three items in her build, she did much better vs. Vi than with many other commonly used counter builds. In fact, Senna boasted an average winrate of 50.4% battling Vi with these items in her kit.
To have the highest chance of coming out on top against Vi as Senna, you should take the Fleet Footwork, Presence of Mind, Legend: Alacrity, Cut Down, Biscuit Delivery, and Approach Velocity runes from the Precision and Inspiration rune sets. Of all the rune builds players picked for Senna vs Vi battles, this mixture of runes resulted in the greatest win rate. Notably, these runes averaged a 50.4% winrate overall.
By default, tips, statistics, and builds on how to beat Vi as Senna are given for all ranked divisions combined. If you would like to scope the stats and builds to an individual player tier, you can use the selection menu earlier in the counter matchup guide.