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.
Stay spread out to minimize the impact of Lee Sin's ultimate, Dragon's Rage.
Lee Sin relies heavily on following up with his abilities. Use disables to prevent him from chaining together his abilities and attacks.
Lee Sin has powerful tools to combat physical damage in Iron Will and Cripple but he is still vulnerable to magic damage.
The stats shown on this page clarify several valuable Amumu against Lee Sin matchup stats that may help us explain the differences between this set of champions. For instance, Amumu’s KDA ratio ([kills + assists] / deaths) of NaN is more than Lee Sin’s KDA ratio of NaN, indicating that Amumu may be more central to his team's team fighting potential than Lee Sin..
Amumu typically has a slightly smaller longest kill spree than his foe does. Commonly, he receives less damage than Lee Sin. This typically indicates differing health capacities; however, it can also show that the one champ has less mobility and thus is not able to kite away from further harm when engaged or poked.
Both League champs are great champions. Both champs have their pros and cons. In the game's current meta, Amumu usually wins when trying to fight Lee Sin, with a 56.8% win rate. As a result, Amumu makes a fantastic counter to Lee Sin.
While Amumu does have a much higher win rate than Lee Sin, when on opposite teams, Amumu also has a lower difficulty level that makes him a less difficult character to develop with. You don't need to be too worried when picking Amumu into Lee Sin.
Additionally, Amumu has a lot of CC and other utility, a similar amount to Lee Sin. This often makes her just as valuable during team fights, especially when trying to counter champions with a lot of burst damage.
While there is not one best champion for every situation in League of Legends, in Amumu vs Lee Sin matchups, Amumu is the better champion with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your allies during late stage team fights.
Amumu is a great counter to Lee Sin. You will do well by focussing your actions on keeping up your gold and cs and destroying objectives. If you can do that, you should hold your own as Amumu against Lee Sin.
To truly master Amumu in order to counter Lee Sin during both the early game and mid / late game phases of League of Legends, you should continue reading to learn a few extra tips and tricks for this matchup. If you pay attention to the build and suggestions displayed above, you will grow your win rate by a lot and be that much closer to League of Legends pro players.
Amumu typically racks up a similar amount of CS relative to Lee Sin. Champs who on average don't take many minion kills typically don't need much CS to be effective, such as supports. They are able to scale properly off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically need a lot of items to be effective. In either situation, try to surpass the numbers shown here to do well.
The most crucial items to use in your Amumu versus Lee Sin build consist of Sunfire Aegis, Force of Nature, and Demonic Embrace. When Amumu included at least these three pieces in his build, he did a lot better when fighting Lee Sin than with most other typical item sets. In fact, Amumu had an average winrate of 56.8% battling Lee Sin with these items in his kit.
To have the greatest chance of vanquishing Lee Sin 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 builds players used for Amumu vs Lee Sin matchups, this combo of runes yielded the highest win rate. In fact, these runes provided a 56.8% win rate overall.
If you want to see Amumu versus Lee Sin tips and matchup stats and build suggestions for a a specific division rank, feel free to choose one from the selection menu provided above. If viewing for the first time, the statistics and guides shown are computed using all matches run with both champions.