Make sure to take paths through brush when chasing opponents to take advantage of Rengar's passive.
Use Rengar's ultimate to find and assassinate high priority targets in team fights and skirmishes.
A lot of Rengar's power comes from empowered abilities he uses at the right moment - choose wisely!
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 some strategic Rengar against Sejuani counter stats that may help us realize the distinctions between the two. As an example, Rengar’s KDA ratio ([kills + assists] / deaths) of NaN is more than Sejuani’s KDA ratio of NaN, demonstrating that Rengar may be more central to his team's team fighting capacity than Sejuani. This observation is largely fueled by the difference in kills.
Rengar normally has a slightly larger longest killing spree than his opponent does. Typically, he receives a similar amount of damage to Sejuani. This is usually reflective of differing health capacities; however, it can also illustrate that the champion with increased health has less agility and thus is unable to flee from further damage when engaged or poked.
Both League champs are great champions. Both champs have their pros and cons. In League's current meta, Rengar usually fairs equally well when trying to fight Sejuani, with a 49.8% win rate. As a result, Rengar makes an ok counter to Sejuani.
While Rengar does have a lower winrate compared to Sejuani, when on opposite teams, Rengar also has a much greater level of difficulty that makes him a more complex character to learn. You should be careful when picking Rengar into Sejuanias his relative depth means you may not be able to unleash his full potential without a lot of practice beforehand.
Additionally, Rengar has almost no amount of CC and other utility, a similar amount to Sejuani. This often makes her just as valuable during teamfights, especially when facing champions with a lot of burst damage.
While there isn't a single best champion overall in League of Legends, in Rengar vs Sejuani matchups, Sejuani is the better champion with a similar win rate, more champion depth, and a similar amount of utility to help out your team members during team fights.
Rengar is a somewhat poor counter to Sejuani. You will do well by focussing your gameplay on keeping up your gold income and clearing objectives. If you do that, you should do very well as Rengar against Sejuani.
If you would like to truly master Rengar 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 tips and tricks for this matchup. If you listen to the build and stats shown here, you should grow your win rate by a lot and be closer to League of Legends pro players.
Rengar on average accumulates a similar amount of CS as Sejuani. Champions who on average don't get much CS usualy don't need much CS to be valuable teammates, such as sup champs. They are capable of scaling well off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, usually have to have a lot of items to be effective. In either case, try to surpass the values displayed here to do well.
The most crucial items to use in your Rengar versus Sejuani build consist of Edge of Night, Hubris, and Opportunity. When Rengar used at least these three items in his build, he performed significantly better when facing Sejuani than with many other typical builds. In fact, Rengar had an average winrate of 49.8% when countering Sejuani with this build.
To have the best likelihood of coming out on top against Sejuani as Rengar, you should take the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Sudden Impact, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Of all the rune builds players used for Rengar vs Sejuani counter picks, this order of runes resulted in the highest win rate. Notably, these runes gave a 49.8% winrate overall.
By default, tips, stats, and builds on how to beat Sejuani as Rengar are given for all skill levels combined. If you want to scope the statistics and builds to an individual player tier, you can use the selection menu located at the top of this page.