Janna's at her strongest when buffing another ally. If you can harass her ally, it will weaken her ability to fight you.
Save an interrupt ability for when Janna uses her ultimate.
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.
The stats provided here feature some strategic Briar against Janna counter statistics that can help us grasp the differences and similarities between this set of champs. As an example, Briar’s KDA ratio ([kills + assists] / deaths) of NaN is better than Janna’s ratio of NaN, showing that Briar may be more central to their team's team fighting effectiveness than Janna. This observation is in large part a result of the differences in killsdeaths.
Briar usually has a much larger longest kill spree than their counter does. Typically, they receives more damage than Janna. This commonly reflects differing health capacities, yet it can also show that the champ with higher health has less mobility and thus is unable to flee from additional damage when engaged or poked.
Both LoL champs are great. Both have their pros and cons. In League's current meta, Briar usually wins when playing against Janna, with a 51.8% win rate. Therefore, Briar makes a good counter for Janna.
While Briar does have a higher winrate than Janna, when facing one another, Briar also has a much lower difficulty level that makes them a less complex champion to learn and master. You still need to be cautious when picking Briar into Janna.
Moreover, Briar 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 a single best champion for every situation in League of Legends, in Briar vs Janna matchups, Briar is the better champ with a higher win rate, less champion complexity, and a similar amount of utility to help out your allies during team fights.
Briar is a decent counter to Janna. Make sure you focus your play on increasing your gold and cs and taking out objectives. If you can do that, you should hold your own as Briar against Janna.
To truly master Briar in order to counter Janna during both the laning and mid / late game phases of League of Legends, you should keep reading to learn a few extra lessons on this matchup. If you listen to the build and stats shown above, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Briar on average picks up a similar amount of CS compared to Janna. Champions who typically don't earn many minion kills often don't require 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, champs with a lot of CS, such as hyper-carries, typically need many items to be effective. In either situation, try to do better than the values reported on this page to do well.
The most crucial items to have in your Briar versus Janna build consist of Guardian Angel, Youmuu's Ghostblade, and The Collector. When Briar incorporated at least these three items in their build, they did significantly better vs Janna than with most other common counter builds. In fact, Briar had an average winrate of 51.8% when playing against Janna with these items in their kit.
To have the greatest probability of crushing Janna as Briar, you should equip the Hail of Blades, Sudden Impact, Eyeball Collection, Treasure Hunter, Magical Footwear, and Cosmic Insight runes from the Domination and Inspiration rune sets. Out of all the rune builds that we analyzed for Briar vs Janna LoL games, this composite of runes resulted in the highest win rate. In fact, these runes averaged a 51.8% win rate overall.
If you want to get Briar vs Janna tips and builds for a a particular rank, please choose one from the selection menu shown above. At first, the statistics and build suggestions displayed are computed using all matches played with both champs.