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.
Kill all of Zac's bloblets when he splits apart to stop him from reforming.
Silences, stuns, roots and knockups will all interrupt Zac when he is charging Elastic Slingshot.
Zac heals from the goo that separates from him. You can crush the goo pieces by stepping on them.
The stat comparisons provided here emphasize some vital Sejuani against Zac counter stats that may help us figure out the differences between this pair of champions. As an example, Sejuani’s KDA ratio ([kills + assists] / deaths) of NaN is more than Zac’s ratio of NaN, showing that Sejuani may be more central to her team's team fighting capability than Zac..
Sejuani usually has a similar longest kill spree as her counter does. On average, she takes less damage than Zac. This is usually reflective of differing health capacities, yet it can also illustrate that the one champion has less mobility and thus is unable to flee from further harm when poked or engaged.
Both LoL champions are great champions. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Sejuani usually loses when trying to fight Zac, with a 43.6% win rate. Thus, Sejuani makes a poor counter for Zac.
While Sejuani does have a much lower win rate than Zac, when they face off with one another, Sejuani also has a much lower learning curve that makes her a less time consuming champ to learn. You should expect to face a difficult match when picking Sejuani into Zac.
Additionally, Sejuani has a good amount of CC and other utility, a similar amount to Zac. This often makes her just as valuable during team fights, especially when trying to counter champions with a lot of burst damage.
While there is not a single best champion for every situation in League of Legends, in Sejuani vs Zac matchups, Zac is the better champ with a much lower win rate, less champion complexity, and a similar amount of utility to help out your allied champions during team fights.
Sejuani is a terribly counter to Zac. Make sure you focus your strategy on increasing your gold and cs and clearing objectives. If you can do that, you should be able to stand on your own as Sejuani against Zac.
To learn all of the intricacies of Sejuani to counter Zac during both the early game and mid / late game phases of League of Legends, you should keep reading to gather a few extra lessons on this matchup. If you listen to the build and stats presented here, you will increase your win rate significantly and be that much closer to League of Legends pro players.
Sejuani on average racks up a similar amount of CS relative to Zac. Champs who typically don't acquire much CS often don't require much CS to be effective, such as sup champs. 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, often have to have many items to be effective. In either case, try to surpass the numbers shown on this page to do well.
The ideal items to prioritize in your Sejuani versus Zac build consist of Sunfire Aegis, Thornmail, and Jak'Sho, The Protean. When Sejuani incorporated at least these three pieces in her build, she performed a lot better versus Zac than with many other typical item sets. In fact, Sejuani had an average win rate of 43.6% when playing against Zac with this counter build.
To have the highest chance of annihilating Zac as Sejuani, Sejuani players 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 rune sets players used for Sejuani vs Zac matchups, this combo of runes yielded the best win rate. In fact, these runes averaged a 43.6% winrate overall.
By default, tips, stats, and builds on how to beat Zac as Sejuani are given for all ranked divisions combined. To scope the stats and builds to a distinct division, you should use the selection menu located at the top of this page.