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.
Gragas can knock everybody away with his ultimate. Be careful that you don't get knocked into him or, worse, an enemy tower.
Body Slam is on a very low cooldown, making it difficult to pursue Gragas. Don't overextend yourself chasing him.
The stats shown on this page clarify some critical Amumu vs. Gragas matchup stats that can help us realize the differences and similarities between these two champions. Amumu’s KDA ratio ([kills + assists] / deaths) of NaN is better than Gragas’s ratio of NaN, highlighting that Amumu may be more central to his team's team fighting potential than Gragas..
Amumu often has a similar longest kill spree as his counter does. On average, he takes a similar amount of damage to Gragas. This is usually reflective of differing health capacities, but it can also imply that the champ with higher HP has less mobility and thus is not able to kite away from further harm when engaged or poked.
Both League of Legends champions are great champions. Both have their strengths, weaknesses, and counters. In League's current meta, Amumu usually wins when taking on Gragas, with a 55.8% win rate. As a result, Amumu makes a fantastic counter for Gragas.
While Amumu does have a much higher winrate compared to Gragas, when they face off with one another, Amumu also has a lower level of difficulty that makes him a less time consuming champ to learn. You don't need to be too worried when picking Amumu into Gragas.
Moreover, Amumu has a very large amount of CC and other utility, a similar amount to Gragas. This often makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there isn't one best champion overall in League of Legends, in Amumu vs Gragas 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 allied champions during teamfights.
Amumu is a great counter for Gragas. You will do well by focussing your play on keeping up your CS and clearing objectives. If you are able to do that, you should hold your own as Amumu against Gragas.
If you would like to learn all of the intricacies of Amumu in order to counter Gragas during both the early game and mid / late game phases of League of Legends, you should continue reading to gather a few extra tricks and insights into this matchup. If you pay attention to the build and stats displayed above, you will increase your win rate by a lot and be closer to League of Legends pro players.
Amumu often racks up a lot less CS compared to Gragas. Champions who on average don't earn much CS often don't need much CS to be effective, such as supports. They are capable of scaling well off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically need several high cost items to be effective. In either case, try to surpass the values displayed on this page to do well.
The ideal items to prioritize in your Amumu versus Gragas build include Sunfire Aegis, Thornmail, and Force of Nature. When Amumu used at least these three items in his build, he did much better countering Gragas than with most other typical builds. In fact, Amumu boasted an average win rate of 55.8% when countering Gragas with this counter build.
To have the best chance of coming out on top against Gragas as Amumu, you should use the Conqueror, Triumph, Legend: Tenacity, Last Stand, Cheap Shot, and Ultimate Hunter runes from the Precision and Domination rune sets. Of all the rune sets players used for Amumu vs Gragas face-offs, this blending of runes yielded the greatest win rate. Notably, these runes averaged a 55.8% winrate overall.
By default, tips, statistics, and builds on how to beat Gragas as Amumu are given for all skill levels combined. To narrow the stats and builds to an individual player tier, you may use the selection menu located at the top of this page.