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.
Katarina's abilities deal magic damage, so even if she's building Attack Damage items, get magic resistance to counter her.
Try to save a disable for when Katarina uses her Death Lotus.
The stat comparisons shown here emphasize some valuable Amumu vs. Katarina matchup statistics that can help us grasp the distinctions between this pair of champs. As an example, Amumu’s KDA ratio ([kills + assists] / deaths) of NaN is better than Katarina’s KDA ratio of NaN, showing that Amumu may be more central to his team's team fighting effectiveness than Katarina. This observation is largely a result of the differences in assists.
Amumu normally has a significantly smaller longest killing spree than his opponent does. Commonly, he takes more damage than Katarina. This is usually reflective of different amounts of tankyness, but it can also indicate that the champion with higher health has less mobility and thus is not able to kite away from further damage when engaged or poked.
Both LoL champs are great. Both champs have their pros and cons. In the game's current meta, Amumu usually wins when playing against Katarina, with a 51.0% win rate. Thus, Amumu makes a good counter for Katarina.
While Amumu does have a higher winrate compared to Katarina, when facing one another, Amumu also has a much lower learning curve that makes him a less challenging champ to develop with. You should be careful when picking Amumu into Katarina.
Additionally, Amumu has a lot of CC and other utility, a similar amount to Katarina. This makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there is not one best champion overall in League of Legends, in Amumu vs Katarina matchups, Amumu is the better champ with a similar win rate, less champion complexity, and a similar amount of utility to help out your allied champions during team fights.
Amumu is a decent counter for Katarina. You will do well by focussing your gameplay on keeping up your gold income and clearing objectives. If you can do that, you should hold your own as Amumu against Katarina.
If you would like to truly master Amumu in order to counter Katarina during both the lane and mid / late game phases of League of Legends, you should continue reading to gather a few extra tips and tricks for this matchup. If you pay attention to the build and tips displayed here, you should increase your win rate by a lot and be closer to League of Legends pro players.
Amumu often racks up a lot less CS as Katarina. Champs who typically don't acquire many minion kills typically don't require much CS to be valuable teammates, such as supports. These kinds of champions are able to scale well off of their skills, stats, and first items alone. Yet, champs with a lot of CS, such as hyper-carries, often require a lot of items to be effective. In either case, try to surpass the numbers reported here to do well.
The best items to focus on in your Amumu versus Katarina build consist of Sunfire Aegis, Thornmail, and Liandry's Torment. When Amumu combined at least these three items in his build, he performed much better countering Katarina than with many other common item sets. In fact, Amumu had an average winrate of 51.0% when playing against Katarina with this counter build.
To have the best chance of annihilating Katarina as Amumu, you should take the Conqueror, Triumph, Legend: Tenacity, Last Stand, Cheap Shot, and Ultimate Hunter runes from the Precision and Domination rune sets. Of all the rune combinations we have analyed for Amumu vs Katarina battles, this sequence of runes resulted in the highest win rate. Moreover, these runes gave a 51.0% winrate overall.
By default, tips, stats, and builds on how to beat Katarina as Amumu are shown for every ranked division. If you want to narrow the stats and builds to a specific rank, you may use the selection menu located earlier in the counter matchup guide.