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.
Pay attention to Ionian Fervor stacks and try to engage Irelia when it is down.
Minion waves greatly enhance Irelia's mobility, beware fighting her inside one.
Beware of wasting your high impact spells on Defiant Dance.
The stat comparisons shown on this page clarify several valuable Sejuani versus Irelia matchup statistics that may help you understand the distinctions between the pair. As an example, Sejuani’s KDA ratio ([kills + assists] / deaths) of NaN is better than Irelia’s KDA ratio of NaN, demonstrating that Sejuani may be more central to her team's team fighting capacity than Irelia. This observation is in large part fueled by the differences in assists.
Sejuani often has a slightly smaller longest kill spree than her enemy does. Commonly, she receives a similar amount of damage to Irelia. This often reflects different amounts of tankyness, yet it can also imply that the champ with higher health has less mobility and thus is not able to escape additional harm when poked or engaged.
Both League of Legends champs are great champions. Both champs have their pros and cons. In the game's current meta, Sejuani usually loses when taking on Irelia, with a 47.4% win rate. Thus, Sejuani makes a bad counter to Irelia.
While Sejuani does have a lower win rate compared to Irelia, when they face off with one another, Sejuani also has a lower level of difficulty that makes her a less difficult character to pick up and master. You should be very concerned when picking Sejuani into Irelia.
Additionally, Sejuani has a good amount of CC and other utility, a similar amount to Irelia. This often makes her just as valuable during team fights, especially when facing 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 Irelia matchups, Irelia is the better champion with a lower win rate, less champion complexity, and a similar amount of utility to help out your team members during team fights.
Sejuani is a bad counter to Irelia. You will do well by focussing your tactics on increasing your gold income and clearing objectives. If you are able to do that, you should do very well as Sejuani against Irelia.
If you would like to learn all of the intricacies of Sejuani in order to counter Irelia during both the lane and mid / late game phases of League of Legends, you should keep reading to learn a few extra tricks and insights into this matchup. If you listen to the build and tips presented here, you will grow your win rate by a lot and be closer to League of Legends pro players.
Sejuani often racks up a lot less CS as Irelia. Champions who on average don't take many minion kills usualy don't require much CS to be effective, such as support champions. They are capable of scaling well off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, usually require a lot of items to be effective. In either case, try to surpass the values reported here to do well.
The most crucial items to have in your Sejuani versus Irelia build include Sunfire Aegis, Thornmail, and Frozen Heart. When Sejuani combined at least these three items in her build, she performed significantly better vs Irelia than with many other common item sets. In fact, Sejuani boasted an average win rate of 47.4% when countering Irelia with these items in her kit.
To have the best probability of coming out on top against Irelia as Sejuani, you should equip the Aftershock, Font of Life, Conditioning, Overgrowth, Legend: Alacrity, and Triumph runes from the Resolve and Precision rune sets. Of all the rune sets players picked for Sejuani vs Irelia counter picks, this combination of runes yielded the best win rate. In fact, these runes provided a 47.4% win rate overall.
By default, tips, statistics, and builds on how to beat Irelia as Sejuani are shown for all skill levels, merged. If you would like to scope the stats and builds to a distinct player tier, you may use the selection menu earlier in the counter matchup guide.