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.
Jayce is strong in the early game. If he gains the advantage, play defensively.
Jayce can attack in melee or at range. Pay attention to his stance and weapon color to know how he is going to attack.
If you see Jayce drop his Acceleration Gate, be careful, he is probably about to cast Shock Blast.
The stats provided here emphasize some vital Amumu vs. Jayce counter stats that can help us interpret the distinctions between the pair. As an example, Amumu’s KDA ratio ([kills + assists] / deaths) of NaN is more than Jayce’s KDA ratio of NaN, highlighting that Amumu may be more central to his team's team fighting effectiveness than Jayce. This observation is largely fueled by the differences in assists.
Amumu often has a slightly smaller longest kill spree than his opponent does. Typically, he receives more damage than Jayce. This commonly reflects differing health capacities; however, it can also indicate that the champion with higher HP has less mobility and thus is not able to escape additional damage when poked or engaged.
Both League of Legends champions are great. Both have their strengths, weaknesses, and counters. In the game's current meta, Amumu usually wins when facing off against Jayce, with a 51.7% win rate. As a result, Amumu makes a good counter for Jayce.
While Amumu does have a higher win rate than Jayce, when on opposite teams, Amumu also has a much lower learning curve that makes him a less time consuming champion to develop with. You should be careful when picking Amumu into Jayce.
Moreover, Amumu has a lot of utility and CC, a similar amount to Jayce. This often makes her just as valuable during team fights, especially when fighting champions with a ton of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Amumu vs Jayce matchups, Amumu is the better champion with a higher win rate, less champion complexity, and a similar amount of utility to help out your teammates during team fights.
Amumu is a decent counter for Jayce. You will do well by focussing your gameplay on increasing your gold and cs and destroying objectives. If you do that, you should hold your own as Amumu against Jayce.
If you would like to truly master Amumu in order to counter Jayce during both the laning and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tricks and insights into this matchup. If you pay attention to the build and suggestions presented above, you will increase your win rate significantly and be that much closer to League of Legends pro players.
Amumu typically picks up a lot less CS as Jayce. Champions who typically don't take many minion kills often don't have to have much CS to be valuable teammates, such as supports. They 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, typically need a lot of items to be effective. In either case, try to do better than the numbers shown on this page to do well.
The most crucial items to focus on in your Amumu versus Jayce build include Sunfire Aegis, Thornmail, and Randuin's Omen. When Amumu used at least these three pieces in his build, he performed significantly better vs Jayce than with many other common counter builds. In fact, Amumu boasted an average winrate of 51.7% battling Jayce with this counter build.
To have the highest probability of vanquishing Jayce 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 rune builds players picked for Amumu vs Jayce matchups, this sequence of runes yielded the greatest win rate. Moreover, these runes provided a 51.7% winrate overall.
If you want to view Amumu x Jayce tips and builds for a an individual skill level, please select one from the selection menu displayed above. If viewing for the first time, the stats and build suggestions given are computed using every round with data with both champions.