Despite his abilities scaling on Armor, some games require Malphite to get Magic Resist. When those games occur, try getting Aegis of the Legion, Mercury's Treads, and Guardian Angel.
Armor naturally reduces the rate that attacks go through Granite Shield, so Brutal Strikes will strengthen the shield against physical 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 underscore several critical Malphite against Sejuani matchup statistics that can help you grasp the differences and similarities between the two. Malphite’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Sejuani’s ratio of NaN, highlighting that Malphite may be more central to his team's team fighting potential than Sejuani..
Malphite normally has a similar longest killing spree as his opponent does. On average, he receives less damage than Sejuani. This commonly reflects differing health capacities, yet it can also indicate that the one champ has less mobility and thus is unable to kite away from additional harm when engaged or poked.
Both League of Legends champs are great. Both champs have their pros and cons. In the game's current meta, Malphite usually wins when taking on Sejuani, with a 52.6% win rate. Therefore, Malphite makes a good counter to Sejuani.
While Malphite does have a higher win rate than Sejuani, when on opposite teams, Malphite also has a lower learning curve that makes him a less complex champion to learn and master. You should be be fine when picking Malphite into Sejuani.
Additionally, Malphite has a very large amount of utility and CC, a similar amount to Sejuani. This makes her just as valuable during teamfights, especially when fighting champions with a ton of burst damage.
While there isn't a single best champion in League of Legends, in Malphite vs Sejuani matchups, Malphite is the better champion with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your teammates during teamfights.
Malphite is a good counter for Sejuani. You will do well by focussing your gameplay on keeping up your gold and cs and destroying objectives. If you can do that, you should hold your own as Malphite against Sejuani.
If you would like to learn all of the intricacies of Malphite to counter Sejuani during both the laning and mid / late game phases of League of Legends, you should keep reading to learn a few extra lessons on this matchup. If you pay attention to the build and tips displayed above, you will grow your win rate by a lot and be that much closer to League of Legends pro players.
Malphite typically gets much more CS relative to Sejuani. Champions who typically don't take much CS usualy don't need much CS to be valuable teammates, such as supports. They are capable of scaling properly off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically need several high cost items to be effective. In either case, try to do better than the numbers reported on this page to do well.
The top items to prioritize in your Malphite versus Sejuani build include Sunfire Aegis, Thornmail, and Frozen Heart. When Malphite used at least these three items in his build, he did significantly better when fighting Sejuani than with most other common item sets. In fact, Malphite boasted an average win rate of 52.6% battling Sejuani with these items in his kit.
To have the greatest likelihood of crushing Sejuani as Malphite, Malphite players should equip the Grasp of the Undying, Shield Bash, Conditioning, Overgrowth, Manaflow Band, and Transcendence runes from the Resolve and Sorcery rune sets. Out of all the rune combinations players chose for Malphite vs Sejuani clashes, this order of runes resulted in the best win rate. In fact, these runes provided a 52.6% win rate overall.
By default, tips, stats, and builds on how to beat Sejuani as Malphite are shown for all ranked divisions. If you would like to scope the statistics and builds to a particular player tier, you should use the selection menu located earlier in the counter matchup guide.