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.
Try to engage him in short bursts instead of going toe-to-toe with him. Preventing him from attacking consecutively drastically lowers his damage output.
Jax can dodge all incoming attacks for a very short amount of time and stuns enemies in melee range when it ends. Wait to strike him until after his dodge is finished.
The stats shown here clarify some important Amumu vs. Jax counter statistics that can help you interpret the differences and similarities between the two. For instance, Amumu’s KDA ratio ([kills + assists] / deaths) of NaN is better than Jax’s KDA ratio of NaN, highlighting that Amumu may be more central to his team's team fighting capability than Jax. This observation is largely caused by the differences in assists.
Amumu usually has a slightly smaller longest kill spree than his opponent does. On average, he takes a similar amount of damage to Jax. This is usually reflective of different amounts of tankyness, but it can also illustrate that the champ with increased HP has less agility and thus is not able to escape further harm when engaged or poked.
Both LoL champions are great. Both champs have their pros and cons. In the game's current meta, Amumu usually loses when facing off against Jax, with a 48.1% win rate. As a result, Amumu makes a bad counter for Jax.
While Amumu does have a lower winrate than Jax, when they face off with one another, Amumu also has a lower level of difficulty that makes him a less challenging champion to learn. You should be careful when picking Amumu into Jax.
Moreover, Amumu has a very large amount of CC and other utility, a similar amount to Jax. This often makes her just as valuable during teamfights, especially when facing champions with a ton of burst damage.
While there isn't one best champion for every situation in League of Legends, in Amumu vs Jax matchups, Jax is the better champ with a lower win rate, less champion complexity, and a similar amount of utility to help out your allies during late stage team fights.
Amumu is a somewhat poor counter for Jax. Focus your strategy on keeping up your gold and cs and clearing objectives. If you are able to do that, you should hold your own as Amumu against Jax.
To learn all of the intricacies of Amumu in order to counter Jax during both the early game and mid / late game phases of League of Legends, you should keep reading to learn a few extra lessons on this matchup. If you mind the build and stats presented above, you will increase your win rate by a lot and be closer to League of Legends pro players.
Amumu usually racks up a lot less CS as Jax. Champions who typically don't earn many minion kills usualy 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, champions with large amounts of CS, such as hyper-carries, usually need several high cost items to be effective. In either case, try to do better than the numbers displayed on this page to do well.
The top items to prioritize in your Amumu versus Jax build include Sunfire Aegis, Randuin's Omen, and Jak'Sho, The Protean. When Amumu incorporated at least these three pieces in his build, he did significantly better when facing Jax than with most other commonly used builds. In fact, Amumu boasted an average win rate of 48.1% when countering Jax with these items in his kit.
To have the best probability of crushing Jax as Amumu, Amumu players should equip the Aftershock, Font of Life, Bone Plating, Unflinching, Cheap Shot, and Ultimate Hunter runes from the Resolve and Domination rune sets. Out of all the runes we have analyed for Amumu vs Jax counter picks, this combination of runes yielded the highest win rate. In fact, these runes gave a 48.1% win rate overall.
If you need to view Amumu versus Jax tips and builds for a a specific skill level, please choose one from the selection menu shown above. At first, the statistics and strategies given are computed using all rounds with data with both champs.