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.
Deny Vayne the opportunity to pin you against walls.
Vayne is fragile - turn the pressure up on her and she will be forced to play cautiously.
The stats provided here highlight several influential Sejuani against Vayne counter stats that may help you interpret the distinctions between the two. For instance, Sejuani’s KDA ratio ([kills + assists] / deaths) of NaN is more than Vayne’s ratio of NaN, demonstrating that Sejuani may be more central to her team's team fighting effectiveness than Vayne. This observation is in large part fueled by the differences in assists.
Sejuani usually has a significantly smaller longest killing spree than her enemy does. On average, she takes more damage than Vayne. This often reflects differing health capacities, but it can also hint that the champ with more HP has less agility and thus is unable to escape further harm when poked or engaged.
Both LoL champs are great. Both have their pros and cons. In the game's current meta, Sejuani usually loses when taking on Vayne, with a 43.8% win rate. As a result, Sejuani makes a poor counter to Vayne.
While Sejuani does have a much lower winrate than Vayne, when on opposite teams, Sejuani also has a much lower level of difficulty that makes her a less difficult champ to develop with. You should be very concerned when picking Sejuani into Vayne.
Furthermore, Sejuani has a good amount of CC and other utility, a similar amount to Vayne. This often makes her just as valuable during teamfights, especially when trying to counter champions with a ton of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Sejuani vs Vayne matchups, Vayne is the better champ with a much lower win rate, less champion complexity, and a similar amount of utility to help out your team members during team fights.
Sejuani is a trash counter for Vayne. Focus your strategy on keeping up your CS and clearing objectives. If you can do that, you should do very well as Sejuani against Vayne.
If you would like to truly master Sejuani to counter Vayne during both the early game and mid / late game phases of League of Legends, you should keep reading to learn a few extra lessons on this matchup. If you pay attention to the build and stats presented here, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Sejuani most often gets a lot less CS as Vayne. Champions who typically don't get much CS typically don't have to have much CS to be effective, such as support champions. These kinds of champions are able to scale properly off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically need many items to be effective. In either situation, try to exceed the values displayed on this page to do well.
The most important items to focus on in your Sejuani versus Vayne build consist of Kaenic Rookern, Sunfire Aegis, and Thornmail. When Sejuani included at least these three pieces in her build, she performed significantly better when facing Vayne than with most other commonly used item sets. In fact, Sejuani had an average winrate of 43.8% battling Vayne with these items in her kit.
To have the highest probability of coming out on top against Vayne as Sejuani, you should take the Aftershock, Font of Life, Conditioning, Overgrowth, Legend: Alacrity, and Triumph runes from the Resolve and Precision rune sets. Out of all the runes players picked for Sejuani vs Vayne battles, this composite of runes yielded the best win rate. In fact, these runes gave a 43.8% win rate overall.
By default, tips, statistics, and builds on how to beat Vayne as Sejuani are presented for all skill levels, merged. If you want to filter the stats and builds to a specific division, you can use the selection menu located earlier in the counter matchup guide.