Use Demacian Standard as a scouting tool when worried about incoming enemies.
You can use the Dragon Strike / Demacian Standard combo to get out of your own Cataclysm arenas.
Split your basic attacks on different champions at the beginning of fights to maximize damage.
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 Jarvan IV 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, Jarvan IV sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Amumu. His KDA fell from NaN to NaN. This decrease shows that Amumu helps Jarvan IV perform poorer in competitive League of Legends rounds. Yet, the small difference shows that this performance change is only marginal.
When Jarvan IV is an ally to Amumu, he observes a clear improvement in his complete damage dealt. This difference may demonstrate that Amumu helps provide protection for him to dish out more damage or that his presence on the team also helps increase the match's duration. Similarly, when Jarvan IV is played alongside Amumu on the same side, he usually scores many fewer killing sprees than when he plays on his own. This is contrasting evidence that he is worse when playing with Amumu.
Additionally, when Jarvan IV plays with Amumu on the same side, he typically takes less damage than when he fights alone. Getting dealt not as much damage may mean that Amumu does a decent job of covering Jarvan IV during teamfights.
There is no perfect champion pairing for Jarvan IV that will no matter what be his top synergy. Yet, Amumu is a very bad teammate for Jarvan IV. By being on the same team as Jarvan IV, he lowers their win rate by -6.8% to 41.8%. This proves that there is a terrible bond between Jarvan IV and Amumu that results in them performing not as well together than alone.
Amumu has a lower difficulty than Jarvan IV. That means Jarvan IV players don't need to be careful when enlisting Amumu teammates to play with, as they will require a relatively low level of skill to play well with you.
Fighting on the same side, you should see an overall large increase in your team’s ability to soak up damage. When paired, these champs will be able to tank for the rest of their team.
Conversely, by aligning Jarvan IV and Amumu together, you probably will not be giving your team a great deal of AD. We recommend you pick other champs on your team that offsets this gap in this pairing's capabilities.
Regardless of the skill of your Amumu teammate, you need to focus on maximizing your income, staying alive by avoiding foolish fights, and clearing objectives. If you heed this simple advice, you should do well, regardless.
If you would like to truly master Jarvan IV in order to synergize with Amumu during both the lane and mid / late game phases of League, you should continue reading to learn a few extra tricks and insights into this champion pairing. If you listen to the build and stats shown here, you will grow your win rate by a lot.
The most crucial finished items to include in your Jarvan IV and Amumu synergy build include Kaenic Rookern, Titanic Hydra, and Sundered Sky. When Jarvan IV bought at least these three items in his build, he did a lot better as an ally of Amumu than with many other common builds. In fact, Jarvan IV had an average winrate of 41.8% when playing alongside Amumu with these items in his kit.
To have the highest likelihood of annihilating your oponents, you should equip the Conqueror, Triumph, Legend: Alacrity, Coup de Grace, Relentless Hunter, and Sudden Impact runes from the Precision and Domination rune sets. Out of all the rune combinations players used for Jarvan IV and Amumu pairings, this combo of runes yielded the greatest win rate. Notably, these runes provided a 41.8% winrate overall.
If you would like to see Jarvan IV and Amumu synergy tips and stats for a a particular division, feel free to select one from the selection menu shown above. By default, the statistics and tips and suggestions shown are computed using all matches with data with these champs.