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.
Roar of the Slayer is a great setup ability to land a very powerful Decimating Smash.
The Soul Furnace buff displays how much shield strength is remaining, use this information to time its explosion perfectly.
You only have very slight turning ability during Unstoppable Onslaught, so make sure to use it in straight paths.
The Amumu Sion synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Sion, 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 Sion. His KDA decreased from NaN to NaN. This fall shows that Sion helps Amumu perform not as well in ranked LoL games. Yet, the small difference indicates that this performance change is not very impactful.
When Amumu is paired with Sion, he sees a marginal improvement in his total damage dealt. This could demonstrate that Sion provides protection for him to dish out more damage or that his presence also helps increase the game's duration. Similarly, when Amumu is played alongside Sion on the same side, he usually scores many fewer killing sprees than when he plays alone. This is contrasting evidence that he is worse when playing alongside Sion.
Additionally, when Amumu plays with Sion on the same side, he on average receives a little more damage than when he plays alone. Getting dealt more damage could mean that Sion does a poor job of covering Amumu in team fights.
There is no top companion for Amumu that will 100% of the time be his best ally. Yet, overall, Sion is a below average ally for Amumu. By playing on the same side as Amumu, he drops their win rate by -1.4% to 47.6%. This clearly indicates that there is a negative strategic relationship between Amumu and Sion that allows them to perform not as well together than alone.
Sion has a greater difficulty than Amumu. That means you need to be careful when enlisting Sion teammates to fight alongside, as they will have to have a greater level of skill to fight well with you.
When playing together, you should expect to observe an overall large increase in your team’s capacity to soak up damage. Together, these two will be a great protective duo.
Conversely, by pairing Amumu and Sion together, you will not be providing your side a great deal of anti-tank damage dealing potential. Plan to bring other champions on your team that fills this gap in their capabilities.
Regardless of your Sion ally's skill level, you need to focus on maximizing your income, outlasting your enemies, and taking down objectives. If you follow these simple suggestions, you will do well anyway.
If you would like to truly master Amumu in order to work well with Sion during both the early game and mid / late game phases of League of Legends, you should continue reading to master some more tips and tricks for this champion pairing. If you pay attention to the build and suggestions presented here, you will increase your win rate by a lot.
The ideal finished items to have in your Amumu and Sion synergy build include Sunfire Aegis, Thornmail, and Randuin's Omen. When Amumu included at least these three items in his build, he did significantly better when paired up with Sion than with most other common builds. In fact, Amumu had an average win rate of 47.6% when synergizing his build and playstyle to Sion with this build.
To have the greatest chance of coming out on top against 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. Out of all the runes that we analyzed for Amumu and Sion pairings, this blending of runes resulted in the highest win rate. Notably, these runes averaged a 47.6% win rate overall.
If you need to view Amumu and Sion cooperations tips and builds for a an individual player tier, please select one from the selection menu shown above. By default, the stats and tips and suggestions displayed are computed using every round completed with these champions.