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.
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.
The Jayce Amumu synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Amumu, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Jayce sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Amumu. His KDA fell from NaN to NaN. This negative change shows that Amumu helps Jayce perform poorer in ranked League games. Yet, the small difference proves that this performance change is only marginal.
When Jayce plays on the same team as Amumu, he gets a small increase in his complete damage dealt. This change could indicate that Amumu provides cover for him to deal more damage or that his allyship also helps increase the round's duration. Similarly, when Jayce is played together with Amumu on the same side, he usually scores many fewer killing sprees compared to when he plays without Amumu. This is contrasting evidence that he is worse when playing alongside Amumu.
Moreover, when Jayce plays with Amumu on the same side, he often receives a little more damage than when he fights alone. Taking more damage may indicate that Amumu does a poor job of protecting Jayce during teamfights.
There is no one best champion pairing for Jayce that will no matter what be his top ally. Yet, overall, Amumu is a very bad teammate for Jayce. By playing on the same side as Jayce, he decreases their win rate by -3.2% to 44.6%. This clearly indicates that there is an easy to overcome and exploit bond between Jayce and Amumu that results in them performing worse together than alone.
Amumu has a much lower diffuclty than Jayce. That means Jayce players don't need to be cautious when lining up Amumu teammates to fight alongside, as they will require a much lower level of skill to be able to play well with you.
Fighting together, Jayce players should expect to see an overall large increase in your team’s capacity to deal magic damage. Together, these two can deal quite a lot of AP type damage.
Conversely, by aligning Jayce and Amumu together, you may not be giving your side very much attack damage. Make sure to bring other champs on your team that offsets this gap in their capabilities.
Regardless of your Amumu ally's ability, you need to focus on maximizing your gold income, staying alive by avoiding foolish fights, and clearing objectives. If you do this, you will do well anyway.
If you would like to truly master Jayce to synergize with Amumu during both the early game and mid / late game phases of LoL, you should keep reading to pick up additional lessons on this champion pairing. If you use the build and suggestions presented here, you will increase your win rate significantly.
The most important finished items to prioritize in your Jayce and Amumu synergy build include Muramana, Eclipse, and Serylda's Grudge. When Jayce included at least these three items in his build, he did much better when paired up with Amumu than with most other commonly used item sets. In fact, Jayce boasted an average winrate of 44.6% when playing alongside Amumu with these items in his kit.
To have the greatest probability of defeating your oponents, you should take the Phase Rush, Manaflow Band, Absolute Focus, Gathering Storm, Biscuit Delivery, and Magical Footwear runes from the Sorcery and Inspiration rune sets. Of all the rune builds players picked for this champion pairing, this combination of runes resulted in the highest win rate. Moreover, these runes averaged a 44.6% win rate overall.
By default, tips, statistics, and builds on how to team up Amumu with Jayce are given for all ranked divisions combined. To narrow the statistics and builds to an individual skill level, you may use the selection menu at the top of this page.