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.
For increased range and damage, try casting Shock Blast through the Acceleration Gate.
If you find yourself taking lots of damage, try using Jayce's Hammer Stance, as it grants you additional defenses.
Be sure to switch stances often. It will enhance your attacks and grant you quick bursts of speed.
The Amumu Jayce synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Jayce, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Amumu sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Jayce. His KDA went down from NaN to NaN. This decrease shows that Jayce helps Amumu perform poorer in ranked LoL matches. Yet, the small difference shows that this performance change is only marginal.
When Amumu plays on the same team as Jayce, he observes a small decrease in his full damage dealt. This difference could signal that Jayce does not provide cover for him to deal more damage or that his participation also helps extend the game's duration. Similarly, when Amumu is played together with Jayce on the same team, he usually scores many fewer killing sprees compared to when he plays on his own. This is contrasting evidence that he is worse when playing with Jayce.
Moreover, when Amumu plays with Jayce on the same side, he on average receives a little less damage than when he plays alone. Getting dealt not as much damage may indicate that Jayce does a decent job of covering Amumu during teamfights.
There is no one best champion pairing for Amumu that will 100% of the time be his best ally. Yet, Jayce is a terrible ally for Amumu. By locking into the same side as Amumu, he lowers their win rate by -4.4% to 44.6%. This shows that there is an easy to overcome and exploit bond between Amumu and Jayce that allows them to perform worse together than without each other.
Jayce has a much greater difficulty compared to Amumu. That means you need to be very careful when enlisting Jayce allies to fight alongside, as they will need a much higher level of skill to be able to fight well with you.
When playing on the same side, Amumu players should see an overall large increase in your team’s ability to deal magic damage. Together, these two can deal quite a lot of AP type damage.
Although, by aligning Amumu and Jayce together, you probably will not be granting your team a lot of sustained damage output. Plan to bring other champs on your team that fills this hole in this pairing's kit.
Regardless of the skill of your Jayce teammate, you need to focus on increasing your income, warding to avoid ambushes, and clearing objectives. If you heed this simple advice, you will do well anyway.
To truly master Amumu in order to pair well with Jayce during both the early game and mid / late game phases of League of Legends matches, you should keep reading to learn additional lessons on this champion pairing. If you listen to the build and tips shown here, you should grow your win rate by a lot.
The most crucial items to focus on in your Amumu and Jayce synergy build include Sunfire Aegis, Thornmail, and Jak'Sho, The Protean. When Amumu used at least these three items in his build, he did much better when paired up with Jayce than with most other commonly used item sets. In fact, Amumu had an average win rate of 44.6% when playing alongside Jayce with these items in his kit.
To have the highest chance of annihilating your oponents, you should equip 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 that we analyzed for this team composition, this combo of runes resulted in the top win rate. In fact, these runes averaged a 44.6% win rate overall.
By default, tips, statistics, and builds on how to team up Jayce with Amumu are presented for all skill levels combined. To narrow the stats and builds to an individual player tier, you should use the selection menu earlier in the counter matchup guide.