Despair is very effective against other tanks, so make sure you're in range of opponents with the highest Health.
Amumu is highly dependent on teammates, so try laning with your friends for maximum effectiveness.
Cooldown Reduction on Amumu is very strong, but it's often difficult to itemize for it. Grab the Golem buff whenever possible to gain Cooldown Reduction without sacrificing stats.
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 here underscore some vital Amumu versus Sejuani counter stats that can help us distinguish the distinctions between the pair. As an example, Amumu’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Sejuani’s ratio of NaN, demonstrating that Amumu may be more central to his team's team fighting capability than Sejuani..
Amumu often has a similar longest kill spree as his foe does. Typically, he takes a similar amount of damage to Sejuani. This is usually reflective of differing health capacities, yet it can also hint that the one champion has less mobility and thus is unable to escape additional damage when engaged or poked.
Both League of Legends champs are great champions. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Amumu usually wins when trying to fight Sejuani, with a 54.1% win rate. Thus, Amumu makes a great counter for Sejuani.
While Amumu does have a much higher winrate than Sejuani, when on opposite teams, Amumu also has a lower learning curve that makes him a less time consuming champion to pick up and master. You should be be fine when picking Amumu into Sejuani.
Furthermore, Amumu has a lot of CC and other utility, 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 is not a single best champion overall in League of Legends, in Amumu vs Sejuani matchups, Amumu is the better champ with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your allies during teamfights.
Amumu is a great counter to Sejuani. You will do well by focussing your strategy on keeping up your CS and destroying objectives. If you can do that, you should hold your own as Amumu against Sejuani.
If you would like to truly master Amumu in order to counter Sejuani during both the lane and mid / late game phases of League of Legends, you should continue reading to gather a few extra lessons on this matchup. If you pay attention to the build and stats shown here, you will increase your win rate by a lot and be closer to League of Legends pro players.
Amumu often racks up less CS compared to Sejuani. Champions who on average don't get many minion kills typically don't need much CS to be valuable teammates, such as supports. They are capable of scaling properly off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, usually have to have a lot of items to be effective. In either case, try to do better than the numbers shown here to do well.
The most crucial items to prioritize in your Amumu versus Sejuani build consist of Kaenic Rookern, Sunfire Aegis, and Thornmail. When Amumu bought at least these three items in his build, he did a lot better against Sejuani than with most other typical counter builds. In fact, Amumu had an average win rate of 54.1% battling Sejuani with this build.
To have the best chance of defeating Sejuani as Amumu, you should equip the Conqueror, Triumph, Legend: Tenacity, Last Stand, Cheap Shot, and Ultimate Hunter runes from the Precision and Domination rune sets. Out of all the rune sets that we analyzed for Amumu vs Sejuani LoL games, this combination of runes resulted in the greatest win rate. Notably, these runes provided a 54.1% winrate overall.
By default, tips, stats, and builds on how to beat Sejuani as Amumu are presented for every ranked division. If you want to scope the statistics and builds to a distinct division, you can use the selection menu earlier in the counter matchup guide.