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 Amumu Vex synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Vex, 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 very large drop in his KDA (ratio of kills and assists to deaths) when paired with Vex. His KDA worsened from NaN to NaN. This worsening shows that Vex helps Amumu perform poorer in ranked League of Legends rounds. Yet, the small difference proves that this performance change is not very impactful.
When Amumu tries to synergize with Vex, he sees a little increase in his complete damage output. This difference may signal that Vex provides cover for him to deal more damage or that their support also helps extend the match's duration. Similarly, when Amumu is played alongside Vex on the same team, he usually scores many fewer killing sprees than when he plays alone. This is contrasting evidence that he is worse when playing alongside Vex.
Moreover, when Amumu plays with Vex on the same team, he typically receives a little more damage than when he plays alone. Taking more damage may mean that Vex does a poor job of protecting Amumu during teamfights.
There is no perfect ally for Amumu that will always be his top teammate. However, Vex is a very typical companion for Amumu. By being on the same side as Amumu, they drops their win rate by -0.3% to 51.7%. This shows that there is a weak strategic relationship between Amumu and Vex that allows them to perform worse together than without each other.
Vex has a much lower diffuclty than Amumu. That means you don't need to be very careful when finding Vex comrades to go into battle on the same side as, as they will have to have a much lower level of skill to be able to fight well with you.
When playing alongside, Amumu players will likely observe an overall large increase in your team’s capacity to provide a lot of utility for your team. When paired, these champions will help their other teammates secure a victory.
Conversely, by bringing Amumu and Vex together, you may not be giving your other allies much attack damage. Plan to pick other champions on your team that neutralizes this relative disparity in their capabilities.
Regardless of your Vex ally's skill level, you should focus on maximizing your gold income, outlasting your enemies, and clearing objectives. If you heed this simple advice, you should do well anyway.
If you would like to learn all of the intricacies of Amumu to pair well with Vex during both the laning and mid / late game phases of League rounds, you should keep reading to gather some more tricks and insights into this champion pairing. If you mind the build and suggestions displayed above, you should grow your win rate significantly.
The best items to use in your Amumu and Vex synergy build include Evenshroud, Thornmail, and Bulwark of the Mountain. When Amumu combined at least these three pieces in his build, he did significantly better as an ally of Vex than with many other common builds. In fact, Amumu had an average winrate of 51.7% when playing alongside Vex with these items in his kit.
To have the highest probability of vanquishing your oponents, Amumu players should use the Conqueror, Triumph, Legend: Tenacity, Last Stand, Cheap Shot, and Ultimate Hunter runes from the Precision and Domination rune sets. Of all the rune sets players used for Amumu and Vex pairings, this sequence of runes yielded the highest win rate. Moreover, these runes averaged a 51.7% winrate overall.
By default, tips, statistics, and builds on how to pair Vex with Amumu are shown for all ranked divisions. To filter the statistics and builds to a particular player tier, you can use the selection menu located earlier in the counter matchup guide.