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 stat comparisons shown on this page underscore some vital Bel'Veth against Sejuani matchup stats that may help you grasp the distinctions between the pair. As an example, Bel'Veth’s KDA ratio ([kills + assists] / deaths) of NaN is more than Sejuani’s ratio of NaN, demonstrating that Bel'Veth may be more central to their team's team fighting effectiveness than Sejuani..
Bel'Veth typically has a slightly larger longest killing spree than their foe does. Commonly, they takes a similar amount of damage to Sejuani. This is usually reflective of different amounts of tankyness, yet it can also indicate that the one champion has less mobility and thus is not able to flee from further damage when poked or engaged.
Both League champions are great champions. Both have their strengths, weaknesses, and counters. In the game's current meta, Bel'Veth usually wins when playing against Sejuani, with a 52.3% win rate. As a result, Bel'Veth makes a good counter for Sejuani.
While Bel'Veth does have a higher winrate compared to Sejuani, when they face off with one another, Bel'Veth also has a much greater level of difficulty that makes them a more difficult character to pick up and master. You don't need to be too worried when picking Bel'Veth into Sejuanias their relative depth means you may not be able to reach their full potential without a significant amount of practice beforehand.
Moreover, Bel'Veth also has some amount of utility and CC, a similar amount to Sejuani. This makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Bel'Veth vs Sejuani matchups, Bel'Veth is the better champion with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your teammates during teamfights.
Bel'Veth is a good counter to Sejuani. Focus your actions on increasing your gold income and destroying objectives. If you do that, you should hold your own as Bel'Veth against Sejuani.
To truly master Bel'Veth in order to counter Sejuani during both the laning and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you listen to the build and tips displayed above, you will grow your win rate by a lot and be closer to League of Legends pro players.
Bel'Veth usually racks up a similar amount of CS compared to Sejuani. Champs who on average don't acquire many minion kills typically don't have to have much CS to be effective, such as supports. These kinds of champions are capable of scaling well off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually have to have a lot of items to be effective. In either situation, try to surpass the numbers reported on this page to do well.
The top items to use in your Bel'Veth versus Sejuani build include Wit's End, Stridebreaker, and Kraken Slayer. When Bel'Veth used at least these three items in their build, they performed much better vs. Sejuani than with many other commonly used builds. In fact, Bel'Veth had an average win rate of 52.3% when playing against Sejuani with this counter build.
To have the highest likelihood of defeating Sejuani as Bel'Veth, Bel'Veth players should equip the Conqueror, Triumph, Legend: Alacrity, Coup de Grace, Cosmic Insight, and Magical Footwear runes from the Precision and Inspiration rune sets. Of all the rune sets players chose for Bel'Veth vs Sejuani clashes, this composite of runes yielded the greatest win rate. In fact, these runes gave a 52.3% winrate overall.
If you would like to see Bel'Veth x Sejuani tips and builds for a a distinct division, feel free to choose one from the selection menu shown above. If viewing for the first time, the stats and build suggestions given are computed using every game run with these champions.