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.
Kennen is flimsy by nature - turn and attack him if he gets careless with Lightning Rush.
Consider playing a bit more cautiously around Kennen when you have a Mark of the Storm debuff. If he hits you with 3 Marks of the Storm, you will get stunned.
The stat comparisons shown here clarify several critical Amumu against Kennen matchup stats that may help us realize the distinctions between the pair. Amumu’s KDA ratio ([kills + assists] / deaths) of NaN is better than Kennen’s KDA ratio of NaN, highlighting that Amumu may be more central to his team's team fighting effectiveness than Kennen. This observation is in large part caused by the differences in assists.
Amumu often has a similar longest killing spree as his matchup does. On average, he receives more damage than Kennen. This typically indicates different amounts of tankyness, but it can also show that the champ with increased health has less mobility and thus is unable to flee from additional harm when poked or engaged.
Both League champions are great champions. Both champs have their pros and cons. In League's current meta, Amumu usually wins when trying to fight Kennen, with a 56.6% win rate. Therefore, Amumu makes a fantastic counter to Kennen.
While Amumu does have a much higher winrate than Kennen, when they face off with one another, Amumu also has a lower learning curve that makes him a less difficult champion to pick up and master. You don't need to be too worried when picking Amumu into Kennen.
Moreover, Amumu has a lot of CC and other utility, a similar amount to Kennen. This often makes her just as valuable during team fights, especially when trying to counter champions with a ton of burst damage.
While there is not a single best champion overall in League of Legends, in Amumu vs Kennen 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 teammates during late stage team fights.
Amumu is a great counter to Kennen. Focus your strategy on maximizing your gold income and destroying objectives. If you can do that, you should hold your own as Amumu against Kennen.
If you would like to truly master Amumu in order to counter Kennen during both the early game and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you pay attention to the build and suggestions displayed above, you will increase your win rate by a lot and be closer to League of Legends pro players.
Amumu on average picks up a lot less CS as Kennen. Champions who on average don't earn many minion kills typically don't require much CS to be effective, such as sup champs. These kinds of champions are able to scale well off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, usually need a lot of items to be effective. In either situation, try to do better than the numbers reported here to do well.
The most important items to focus on in your Amumu versus Kennen build include Sunfire Aegis, Thornmail, and Demonic Embrace. When Amumu used at least these three items in his build, he did a lot better versus Kennen than with most other commonly used counter builds. In fact, Amumu boasted an average win rate of 56.6% when playing against Kennen with this build.
To have the greatest chance of beating Kennen as Amumu, Amumu players 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 runes players picked for Amumu vs Kennen clashes, this mixture of runes yielded the best win rate. Moreover, these runes averaged a 56.6% winrate overall.
By default, tips, stats, and builds on how to beat Kennen as Amumu are presented for all ranked divisions combined. If you want to filter the statistics and builds to a distinct skill level, you can use the selection menu earlier in the counter matchup guide.