Kai'Sa is very vulnerable to getting outranged by mages and long range carries.
Make sure to place wards in your blind spots so you can see Kai'Sa coming.
Kai'Sa is very good at picking off isolated enemies. Stick together against her.
The stats shown on this page show some vital Briar vs. Kai'Sa matchup stats that may help us realize the differences and similarities between these two champs. As an example, Briar’s KDA ratio ([kills + assists] / deaths) of NaN is better than Kai'Sa’s KDA ratio of NaN, demonstrating that Briar may be more central to their team's team fighting effectiveness than Kai'Sa..
Briar typically has a slightly larger longest killing spree than their foe does. On average, they takes more damage than Kai'Sa. This typically indicates different amounts of tankyness; however, it can also indicate that the one champ has less mobility and thus is unable to kite away from additional harm when engaged or poked.
Both League champions are great champions. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Briar usually wins when taking on Kai'Sa, with a 56.4% win rate. As a result, Briar makes a fantastic counter for Kai'Sa.
While Briar does have a much higher winrate compared to Kai'Sa, when on opposite teams, Briar also has a lower level of difficulty that makes them a less complex character to learn and master. You don't need to be too worried when picking Briar into Kai'Sa.
Moreover, Briar also has some amount of utility and CC, a similar amount to Kai'Sa. This often makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Briar vs Kai'Sa matchups, Briar is the better champion with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your team members during team fights.
Briar is a great counter to Kai'Sa. You will do well by focussing your strategy on increasing your CS and clearing objectives. If you do that, you should hold your own as Briar against Kai'Sa.
If you would like to learn all of the intricacies of Briar in order to counter Kai'Sa during both the lane 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 listen to the build and suggestions displayed above, you should grow your win rate by a lot and be closer to League of Legends pro players.
Briar on average gets a lot less CS relative to Kai'Sa. Champions who on average don't get much CS often don't need much CS to be valuable teammates, such as support champions. 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, usually need a lot of items to be effective. In either situation, try to do better than the values displayed here to do well.
The most crucial items to use in your Briar versus Kai'Sa build consist of Sterak's Gage, Black Cleaver, and Sundered Sky. When Briar included at least these three items in their build, they did significantly better versus Kai'Sa than with most other commonly used builds. In fact, Briar boasted an average win rate of 56.4% when countering Kai'Sa with this build.
To have the greatest chance of beating Kai'Sa as Briar, Briar players should take the Hail of Blades, Sudden Impact, Eyeball Collection, Treasure Hunter, Magical Footwear, and Cosmic Insight runes from the Domination and Inspiration rune sets. Of all the rune combinations players picked for Briar vs Kai'Sa face-offs, this combo of runes yielded the highest win rate. Moreover, these runes provided a 56.4% win rate overall.
By default, tips, stats, and builds on how to beat Kai'Sa as Briar are presented for all ranked divisions. To filter the stats and builds to a particular player tier, you can use the selection menu located earlier in the counter matchup guide.