You can land an initial Mark of the Storm debuff on an opponent with Thundering Shuriken, and then add to it with Electrical Surge.
Lightning Rush can be used to initiate fights with its Energy return component, allowing him to use other abilities afterward.
You can stun your opponents by inflicting 3 Marks of the Storm upon them.
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 provided here feature some critical Kennen versus Sejuani matchup statistics that can help us distinguish the differences and similarities between these two champs. For instance, Kennen’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Sejuani’s KDA ratio of NaN, showing that Kennen may be more central to his team's team fighting potential than Sejuani..
Kennen often has a slightly larger longest kill spree than his matchup does. Commonly, he takes less damage than Sejuani. This commonly reflects different amounts of tankyness; however, it can also show that the one champion has less agility and thus is not able to escape further damage when engaged or poked.
Both League champs are great. Both champs have their pros and cons. In League's current meta, Kennen usually fairs equally well when taking on Sejuani, with a 50.9% win rate. Thus, Kennen makes an ok counter to Sejuani.
While Kennen does have a higher win rate compared to Sejuani, when facing one another, Kennen also has a greater difficulty level that makes him a more complex champ to pick up and master. You still need to be cautious when picking Kennen into Sejuani.
Moreover, Kennen also has a good amount of utility and CC, a similar amount to Sejuani. This makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there isn't one best champion in League of Legends, in Kennen vs Sejuani matchups, Kennen is the better champion with a similar win rate, similar champion depth, and a similar amount of utility to help out your allied champions during late stage team fights.
Kennen is a decent counter to Sejuani. Make sure you focus your play on increasing your CS and taking out objectives. If you are able to do that, you should do very well as Kennen against Sejuani.
To truly master Kennen in order to counter Sejuani 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 mind the build and stats shown here, you will grow your win rate by a lot and be closer to League of Legends pro players.
Kennen usually accumulates much more CS as Sejuani. Champions who on average don't earn much CS typically don't need much CS to be valuable teammates, such as support champions. They are capable of scaling properly off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually require many items to be effective. In either situation, try to exceed the values displayed here to do well.
The most important items to focus on in your Kennen versus Sejuani build include Hextech Rocketbelt, Zhonya's Hourglass, and Stormsurge. When Kennen used at least these three pieces in his build, he did much better countering Sejuani than with most other typical counter builds. In fact, Kennen had an average winrate of 50.9% when playing against Sejuani with this counter build.
To have the best chance of vanquishing Sejuani as Kennen, you should use the Summon Aery, Nimbus Cloak, Transcendence, Scorch, Taste of Blood, and Ultimate Hunter runes from the Sorcery and Domination rune sets. Out of all the rune builds players picked for Kennen vs Sejuani face-offs, this set of runes resulted in the best win rate. Moreover, these runes averaged a 50.9% winrate overall.
If you want to get Kennen versus Sejuani tips and matchup stats and build suggestions for a a specific division, feel free to select one from the selection menu above. If viewing for the first time, the stats and strategies given are calculated using all games run with both champions.