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.
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 Sion 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, Sion 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 negative change shows that Amumu helps Sion perform worse in ranked League matches. Yet, the small difference demonstrates that this performance change is not very impactful.
When Sion is paired with Amumu, he observes a little increase in his full damage output. This may indicate that Amumu supports by providing protection for him to deal more damage or that his support also helps increase the match's duration. Similarly, when Sion is played with Amumu on the same side, he usually scores many fewer killing sprees compared to when he plays alone. This is contrasting evidence that he is worse when playing with Amumu.
Additionally, when Sion plays with Amumu on the same side, he usually takes a little more damage than when he plays alone. Taking more damage may indicate that Amumu does a poor job of covering Sion in team fights.
There is no one best companion for Sion that will always be his #1 teammate. Yet, overall, Amumu is a relatively poor ally for Sion. By playing on the same side as Sion, he decreases their win rate by -2.6% to 47.6%. This demonstrates that there is a bad synergy between Sion and Amumu that results in them performing not as well together than alone.
Amumu has a lower difficulty than Sion. That means Sion players don't need to be very careful when finding Amumu allies to fight alongside, as they will need a lower level of skill to be able to play well with you.
Playing on the same side, you will likely see an overall large increase in your team’s capacity to soak up damage. Together, these champions will be a great protective duo.
Conversely, by aligning Sion and Amumu together, you probably will not be giving your other allies much attack damage. Make sure to include other champions on your team that offsets this gap in their kit.
Regardless of your Amumu ally's skill level, you should focus on increasing your gold income, warding to avoid ambushes, and clearing objectives. If you heed this simple advice, you should do well, regardless.
To learn all of the intricacies of Sion in order to synergize with Amumu during both the early game and mid / late game phases of League, you should continue reading to gather additional tips and tricks for this champion pairing. If you pay attention to the build and stats displayed above, you will grow your win rate significantly.
The best finished items to have in your Sion and Amumu synergy build include Sunfire Aegis, Heartsteel, and Jak'Sho, The Protean. When Sion used at least these three items in his build, he did a lot better as an ally of Amumu than with many other commonly used builds. In fact, Sion boasted an average winrate of 47.6% when playing alongside Amumu with this build.
To have the best likelihood of beating your oponents, Sion players should take the Grasp of the Undying, Demolish, Conditioning, Overgrowth, Minion Dematerializer, and Approach Velocity runes from the Resolve and Inspiration rune sets. Out of all the rune combinations that we analyzed for this champion pairing, this order of runes yielded the best win rate. Notably, these runes provided a 47.6% winrate overall.
By default, tips, statistics, and builds on how to synergize Amumu with Sion are given for all ranked divisions combined. If you would like to narrow the stats and builds to a specific skill level, you can use the selection menu located above.