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.
Try to fight Sylas when he isn't able to take your ultimate.
Sylas's healthbar can be deceptive, watch out for his Kingslayer!
The stat comparisons provided here underscore some influential Sejuani against Sylas counter stats that may help you appreciate the distinctions between the two. As an example, Sejuani’s KDA ratio ([kills + assists] / deaths) of NaN is more than Sylas’s KDA ratio of NaN, showing that Sejuani may be more central to her team's team fighting potential than Sylas..
Sejuani normally has a significantly smaller longest killing spree than her matchup does. Typically, she takes more damage than Sylas. This typically indicates different amounts of tankyness, but it can also imply that the one champion has less mobility and thus is not able to kite away from additional harm when engaged or poked.
Both League of Legends champs are great champions. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Sejuani usually loses when trying to fight Sylas, with a 45.6% win rate. Thus, Sejuani makes a bad counter for Sylas.
While Sejuani does have a much lower winrate compared to Sylas, when they face off with one another, Sejuani also has a lower difficulty level that makes her a less challenging champ to learn. You may get destroyed when picking Sejuani into Sylas.
Furthermore, Sejuani also has a good amount of CC and other utility, a similar amount to Sylas. This often makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there isn't a single best champion overall in League of Legends, in Sejuani vs Sylas matchups, Sylas 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 late stage team fights.
Sejuani is a trash counter for Sylas. Focus your strategy on keeping up your gold income and clearing objectives. If you can do that, you should hold your own as Sejuani against Sylas.
To learn all of the intricacies of Sejuani in order to counter Sylas during both the laning and mid / late game phases of League of Legends, you should keep reading to pick up a few extra lessons on this matchup. If you listen to the build and suggestions presented above, you will increase your win rate by a lot and be closer to League of Legends pro players.
Sejuani typically racks up less CS as Sylas. Champs who typically don't take much CS typically don't need much CS to be effective, such as sup champs. These kinds of champions are capable of scaling properly off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually need many items to be effective. In either situation, try to exceed the numbers shown on this page to do well.
The most important items to focus on in your Sejuani versus Sylas build consist of Sunfire Aegis, Thornmail, and Randuin's Omen. When Sejuani combined at least these three pieces in her build, she performed a lot better versus Sylas than with most other common builds. In fact, Sejuani had an average winrate of 45.6% battling Sylas with this counter build.
To have the greatest chance of annihilating Sylas as Sejuani, Sejuani players 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 builds players chose for Sejuani vs Sylas clashes, this sequence of runes yielded the highest win rate. In fact, these runes averaged a 45.6% win rate overall.
By default, tips, stats, and builds on how to beat Sylas as Sejuani are presented for all skill levels combined. If you would like to narrow the statistics and builds to a specific division, you can use the selection menu located earlier in the counter matchup guide.