Amumu is highly dependent on teammates, so try laning with your friends for maximum effectiveness.
Despair is very effective against other tanks, so make sure you're in range of opponents with the highest Health.
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.
Killing Tentacles whenever possible will make it much easier to win a fight against Illaoi.
When your spirit gets pulled out, fight back if you can. Dealing damage to Illaoi reduces the spirit's duration.
Avoid grouping up for Leap of Faith to reduce the number of Tentacles available to Illaoi.
The stats shown on this page show several critical Amumu against Illaoi counter stats that can help us understand the differences between the two. For instance, Amumu’s KDA ratio ([kills + assists] / deaths) of NaN is more than Illaoi’s ratio of NaN, highlighting that Amumu may be more central to his team's team fighting capacity than Illaoi. This observation is largely a result of the differences in assists.
Amumu usually has a similar longest kill spree as his counter does. Commonly, he takes less damage than Illaoi. This often reflects different amounts of tankyness; however, it can also imply that the champion with more HP has less agility and thus is unable to flee from additional harm when engaged or poked.
Both League champions are great. Both have their pros and cons. In League's current meta, Amumu usually loses when playing against Illaoi, with a 48.1% win rate. As a result, Amumu makes a bad counter to Illaoi.
While Amumu does have a lower winrate than Illaoi, when they face off with one another, Amumu also has a lower difficulty level that makes him a less challenging champ to pick up and master. You should be careful when picking Amumu into Illaoi.
Moreover, Amumu also has a very large amount of CC and other utility, a similar amount to Illaoi. This often 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 Amumu vs Illaoi matchups, Illaoi is the better champion with a lower win rate, less champion complexity, and a similar amount of utility to help out your allied champions during late stage team fights.
Amumu is a somewhat poor counter to Illaoi. Make sure you focus your play on keeping up your CS and clearing objectives. If you do that, you should hold your own as Amumu against Illaoi.
To truly master Amumu to counter Illaoi 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 here, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Amumu on average picks up a lot less CS compared to Illaoi. Champions who on average don't take much CS typically don't have to have much CS to be valuable teammates, such as sup champs. They are able to scale well off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically have to have a lot of items to be effective. In either case, try to exceed the numbers reported on this page to do well.
The best items to use in your Amumu versus Illaoi build consist of Sunfire Aegis, Frozen Heart, and Demonic Embrace. When Amumu combined at least these three items in his build, he performed much better versus Illaoi than with many other commonly used counter builds. In fact, Amumu boasted an average winrate of 48.1% when countering Illaoi with this counter build.
To have the greatest probability of vanquishing Illaoi as Amumu, Amumu players should take the Conqueror, Triumph, Legend: Tenacity, Last Stand, Cheap Shot, and Treasure Hunter runes from the Precision and Domination rune sets. Out of all the rune builds players picked for Amumu vs Illaoi counterpicks, this blending of runes resulted in the highest win rate. Notably, these runes provided a 48.1% win rate overall.
By default, tips, stats, and builds on how to beat Illaoi as Amumu are presented for every ranked division. To scope the statistics and builds to an individual division, you can use the selection menu above.