Lead your enemy when targeting with Noxious Blast to ensure the hit.
Use Twin Fang on poisoned stationary targets like monsters and units stunned by her Petrifying Gaze for maximum damage.
Dodging Arctic Assault and Glacial Prison can give you a huge advantage.
Focus on avoiding the second swing of Winter's Wrath which carries the brunt of the damage.
Melee enemies can also stack Frost for Sejuani, be very careful around them.
The stats shown here clarify several vital Cassiopeia versus Sejuani matchup stats that can help you realize the differences between the pair. Cassiopeia’s KDA ratio ([kills + assists] / deaths) of NaN is better than Sejuani’s ratio of NaN, indicating that Cassiopeia may be more central to her team's team fighting capacity than Sejuani..
Cassiopeia often has a slightly larger longest killing spree than her counter does. Commonly, she receives less damage than Sejuani. This typically indicates differing health capacities, but it can also hint that the champion with increased HP has less agility and thus is unable to escape further harm when poked or engaged.
Both League of Legends champs are great. Both have their pros and cons. In League's current meta, Cassiopeia usually wins when taking on Sejuani, with a 51.8% win rate. Therefore, Cassiopeia makes a good counter for Sejuani.
While Cassiopeia does have a higher winrate compared to Sejuani, when they face off with one another, Cassiopeia also has a much greater learning curve that makes her a more complex champion to learn and master. You should be careful when picking Cassiopeia into Sejuanias her relative depth means that you may not be able to unleash her full potential without a lot of practice beforehand.
Additionally, Cassiopeia has a good amount of CC and other utility, a similar amount to Sejuani. This often makes her just as valuable during teamfights, especially when fighting champions with a ton of burst damage.
While there isn't one best champion for every situation in League of Legends, in Cassiopeia vs Sejuani matchups, Cassiopeia is the better champ with a higher win rate, more champion depth, and a similar amount of utility to help out your team members during team fights.
Cassiopeia is a decent counter to Sejuani. You will do well by focussing your tactics on maximizing your gold income and taking out objectives. If you are able to do that, you should hold your own as Cassiopeia against Sejuani.
If you would like to learn all of the intricacies of Cassiopeia to counter Sejuani during both the laning and mid / late game phases of League of Legends, you should keep reading to gather a few extra lessons on this matchup. If you mind the build and tips shown here, you should grow your win rate by a lot and be closer to League of Legends pro players.
Cassiopeia usually accumulates much more CS compared to Sejuani. Champs who typically don't take many minion kills often don't require much CS to be effective, such as sup champs. These kinds of champions are capable of scaling well off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically need several high cost items to be effective. In either case, try to surpass the values reported on this page to do well.
The most crucial items to have in your Cassiopeia versus Sejuani build include Seraph's Embrace, Liandry's Torment, and Rod of Ages. When Cassiopeia incorporated at least these three pieces in her build, she did much better when fighting Sejuani than with many other typical builds. In fact, Cassiopeia boasted an average win rate of 51.8% battling Sejuani with this counter build.
To have the highest probability of crushing Sejuani as Cassiopeia, you should use the Conqueror, Presence of Mind, Legend: Tenacity, Last Stand, Manaflow Band, and Transcendence runes from the Precision and Sorcery rune sets. Of all the runes that we analyzed for Cassiopeia vs Sejuani fights, this mix of runes resulted in the greatest win rate. Notably, these runes provided a 51.8% win rate overall.
If you need to see Cassiopeia versus Sejuani tips and counter stats for a a distinct division rank, please choose one from the selection menu shown above. If viewing for the first time, the stats and strategies displayed are calculated using all matches with data with these champs.