Tumble has many uses, but it cannot pass over walls.
Condemn can be used to both pin targets to walls to ensure a kill, or to escape a pursuer.
Don't go in first to a large teamfight. Wait for your teammates to initiate.
Listen for the charge up sound on Howling Gale in case Janna is trying to hit you with it from off screen or from brush.
Save an interrupt ability for when Janna uses her ultimate.
Janna's at her strongest when buffing another ally. If you can harass her ally, it will weaken her ability to fight you.
The stat comparisons shown on this page feature some important Vayne against Janna matchup stats that can help us figure out the differences and similarities between the two. Vayne’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Janna’s KDA ratio of NaN, showing that Vayne may be more central to her team's team fighting effectiveness than Janna. This observation is in large part caused by the difference in kills.
Vayne normally has a much larger longest killing spree than her enemy does. On average, she takes more damage than Janna. This is usually reflective of differing health capacities, but it can also imply that the champ with higher HP has less mobility and thus is unable to kite away from additional damage when poked or engaged.
Both League champions are great champions. Both champs have their pros and cons. In the game's current meta, Vayne usually loses when trying to fight Janna, with a 48.5% win rate. As a result, Vayne makes a poor counter to Janna.
While Vayne does have a lower win rate than Janna, when facing one another, Vayne also has a greater learning curve that makes her a more time consuming character to pick up and master. You should be careful when picking Vayne into Jannaas her relative depth means you may not be able to reach her full potential without a significant amount of practice beforehand.
Furthermore, Vayne also has some amount of utility and CC, a similar amount to Janna. This often makes her just as valuable during teamfights, especially when fighting champions with a ton of burst damage.
While there isn't one best champion overall in League of Legends, in Vayne vs Janna matchups, Janna is the better champ with a lower win rate, more champion depth, and a similar amount of utility to help out your allied champions during team fights.
Vayne is a somewhat poor counter for Janna. Focus your play on keeping up your gold income and taking out objectives. If you are able to do that, you should be able to stand on your own as Vayne against Janna.
To truly master Vayne to counter Janna during both the laning 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 pay attention to the build and suggestions shown above, you should grow your win rate significantly and be closer to League of Legends pro players.
Vayne usually gets much more CS as Janna. Champions who typically don't acquire many minion kills often don't require much CS to be effective, such as supports. They are capable of scaling well off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, often need several high cost items to be effective. In either case, try to surpass the values displayed here to do well.
The top items to focus on in your Vayne versus Janna build include Immortal Shieldbow, Phantom Dancer, and Blade of The Ruined King. When Vayne included at least these three items in her build, she performed significantly better vs Janna than with many other common counter builds. In fact, Vayne had an average winrate of 48.5% when countering Janna with these items in her kit.
To have the greatest likelihood of beating Janna as Vayne, Vayne players should take the Lethal Tempo, Triumph, Legend: Alacrity, Coup de Grace, Taste of Blood, and Treasure Hunter runes from the Precision and Domination rune sets. Out of all the rune builds that we analyzed for Vayne vs Janna battles, this mixture of runes resulted in the best win rate. Notably, these runes gave a 48.5% winrate overall.
By default, tips, stats, and builds on how to beat Janna as Vayne are presented for all ranked divisions combined. If you want to narrow the stats and builds to an individual player tier, you may use the selection menu located above.