Melee allies can stack Frost for your Permafrost, keep an eye on who they are attacking.
Save Glacial Prison for encounters where you have teammates present to take advantage of it.
Use Arctic Assault to escape bad situations, interupt channeled spells or chase runners.
The stats shown on this page show several critical Sejuani vs. Briar matchup statistics that may help us distinguish the differences and similarities between this pair of champs. For instance, Sejuani’s KDA ratio ([kills + assists] / deaths) of NaN is more than Briar’s KDA ratio of NaN, showing that Sejuani may be more central to her team's team fighting capacity than Briar. This observation is largely a result of the differences in assists.
Sejuani normally has a significantly smaller longest killing spree than her counter does. Commonly, she takes a similar amount of damage to Briar. This commonly reflects different amounts of tankyness; however, it can also imply that the champ with increased health has less agility and thus is not able to escape further damage when engaged or poked.
Both League champions are great champions. Both have their strengths, weaknesses, and counters. In League's current meta, Sejuani usually loses when facing off against Briar, with a 48.1% win rate. Thus, Sejuani makes a poor counter for Briar.
While Sejuani does have a lower win rate compared to Briar, when they face off with one another, Sejuani also has a greater learning curve that makes her a more complex champ to pick up and master. You still need to be cautious when picking Sejuani into Briar.
Moreover, Sejuani also has a good amount of CC and other utility, a similar amount to Briar. This often makes her just as valuable during team fights, 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 Sejuani vs Briar matchups, Briar is the better champion with a lower win rate, more champion depth, and a similar amount of utility to help out your teammates during teamfights.
Sejuani is a somewhat poor counter to Briar. Focus your strategy on keeping up your gold income and taking out objectives. If you can do that, you should be able to stand on your own as Sejuani against Briar.
If you would like to truly master Sejuani to counter Briar during both the early game and mid / late game phases of League of Legends, you should continue reading to gather a few extra tricks and insights into this matchup. If you mind the build and tips shown above, you should increase your win rate significantly and be that much closer to League of Legends pro players.
Sejuani usually racks up a similar amount of CS relative to Briar. Champions who typically don't take much CS often don't require much CS to be valuable teammates, such as supports. They are capable of scaling well off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, often require several high cost items to be effective. In either situation, try to surpass the values displayed on this page to do well.
The ideal items to have in your Sejuani versus Briar build include Sunfire Aegis, Thornmail, and Iceborn Gauntlet. When Sejuani incorporated at least these three items in her build, she did a lot better versus Briar than with many other commonly used builds. In fact, Sejuani had an average win rate of 48.1% battling Briar with this build.
To have the greatest probability of annihilating Briar as Sejuani, you should take the Aftershock, Font of Life, Conditioning, Overgrowth, Legend: Alacrity, and Triumph runes from the Resolve and Precision rune sets. Of all the rune combinations players picked for Sejuani vs Briar face-offs, this order of runes resulted in the greatest win rate. Notably, these runes averaged a 48.1% winrate overall.
If you want to see Sejuani versus Briar tips and counter stats for a an individual skill level, feel free to choose one from the selection menu shown above. If viewing for the first time, the statistics and strategies given are calculated using all matches completed with these champs.