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.
When retreating with low health, be prepared to dodge Lux's Final Spark, a red targeting beam fires prior to the main beam, so try to move to the side if possible.
Lux has powerful zone control abilities. Try to spread out and attack from different directions so she cannot lock down a specific area.
The stat comparisons shown on this page show some critical Sejuani against Lux matchup stats that can help you appreciate the differences between the two. For instance, Sejuani’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Lux’s ratio of NaN, demonstrating that Sejuani may be more central to her team's team fighting effectiveness than Lux..
Sejuani normally has a similar longest killing spree as her matchup does. Commonly, she receives more damage than Lux. This commonly reflects different amounts of tankyness; however, it can also indicate that the champ with higher health has less agility and thus is unable to kite away from additional harm when engaged or poked.
Both LoL champs are great champions. Both have their strengths, weaknesses, and counters. In League's current meta, Sejuani usually loses when playing against Lux, with a 47.3% win rate. As a result, Sejuani makes a bad counter to Lux.
While Sejuani does have a lower win rate compared to Lux, when facing one another, Sejuani also has a lower learning curve that makes her a less complex champion to learn and master. You should expect to face a difficult match when picking Sejuani into Lux.
Furthermore, Sejuani also has a good amount of utility and CC, a similar amount to Lux. This makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there isn't one best champion in League of Legends, in Sejuani vs Lux matchups, Lux is the better champion with a lower win rate, less champion complexity, and a similar amount of utility to help out your allied champions during late stage team fights.
Sejuani is a trash counter for Lux. Focus your gameplay on keeping up your gold income and clearing objectives. If you are able to do that, you should do very well as Sejuani against Lux.
To truly master Sejuani to counter Lux during both the early game 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 stats displayed above, you should grow your win rate by a lot and be closer to League of Legends pro players.
Sejuani typically gets less CS as Lux. Champs who typically don't get much CS typically don't need much CS to be effective, such as supports. These kinds of champions are able to scale well off of their skills, stats, 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 do better than the numbers reported here to do well.
The most crucial items to have in your Sejuani versus Lux build include Thornmail, Iceborn Gauntlet, and Hollow Radiance. When Sejuani combined at least these three pieces in her build, she did significantly better versus Lux than with most other common counter builds. In fact, Sejuani boasted an average win rate of 47.3% when countering Lux with these items in her kit.
To have the best chance of beating Lux as Sejuani, Sejuani players should equip 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 used for Sejuani vs Lux fights, this mix of runes yielded the best win rate. In fact, these runes gave a 47.3% winrate overall.
By default, tips, stats, and builds on how to beat Lux as Sejuani are shown for all skill levels, merged. If you want to scope the stats and builds to an individual rank, you may use the selection menu located at the top of this page.