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.
Camille's shield only works against one damage type, so hit her when she's vulnerable to your damage.
The Hextech Ultimatum has a very short range to cast, so try to flash away from her before she gets close.
The stats shown on this page clarify several important Sejuani against Camille counter statistics that may help us interpret the distinctions between the pair. Sejuani’s KDA ratio ([kills + assists] / deaths) of NaN is better than Camille’s ratio of NaN, demonstrating that Sejuani may be more central to her team's team fighting potential than Camille. This observation is in large part caused by the differences in assists.
Sejuani often has a slightly smaller longest kill spree than her matchup does. Commonly, she receives more damage than Camille. This often reflects differing health capacities, yet it can also illustrate that the one champion has less mobility and thus is not able to flee from additional damage when engaged or poked.
Both League champs are great champions. Both have their pros and cons. In League's current meta, Sejuani usually loses when trying to fight Camille, with a 46.9% win rate. Therefore, Sejuani makes a bad counter to Camille.
While Sejuani does have a lower winrate compared to Camille, when on opposite teams, Sejuani also has a greater difficulty level that makes her a more difficult character to learn. You should be very concerned when picking Sejuani into Camille.
Additionally, Sejuani has a good amount of CC and other utility, a similar amount to Camille. 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 Camille matchups, Camille is the better champ with a much lower win rate, similar champion depth, and a similar amount of utility to help out your allied champions during late stage team fights.
Sejuani is a terribly counter to Camille. Make sure you focus your play on increasing your CS and clearing objectives. If you can do that, you should be able to stand on your own as Sejuani against Camille.
If you would like to learn all of the intricacies of Sejuani to counter Camille during both the laning and mid / late game phases of League of Legends, you should continue reading to learn a few extra tips and tricks for this matchup. If you listen to the build and suggestions displayed here, you will grow your win rate significantly and be closer to League of Legends pro players.
Sejuani often accumulates a lot less CS as Camille. Champions who typically don't take much CS usualy don't have to have much CS to be valuable teammates, such as supports. These kinds of champions are able to scale well off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, often have to have many items to be effective. In either case, try to surpass the values displayed on this page to do well.
The most important items to use in your Sejuani versus Camille build consist of Sunfire Aegis, Thornmail, and Jak'Sho, The Protean. When Sejuani incorporated at least these three pieces in her build, she did a lot better countering Camille than with most other commonly used counter builds. In fact, Sejuani boasted an average win rate of 46.9% when countering Camille with this build.
To have the best likelihood of coming out on top against Camille as Sejuani, you should use 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 Camille counter picks, this sequence of runes yielded the greatest win rate. In fact, these runes averaged a 46.9% win rate overall.
By default, tips, statistics, and builds on how to beat Camille as Sejuani are displayed for all ranked divisions combined. To scope the stats and builds to an individual rank, you should use the selection menu earlier in the counter matchup guide.