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.
Take advantage of Flurry by weaving in basic attacks between spell casts - this maximizes damage output and minimizes Energy loss.
Self-casting Safeguard and using Iron Will are powerful tools for killing neutral monsters (in the jungle).
Use Sonic Wave before Dragon's Rage so you can chase the target with Resonating Strike.
The Amumu Lee Sin synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Lee Sin, 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 Lee Sin. His KDA decreased from NaN to NaN. This drop shows that Lee Sin helps Amumu perform worse in ranked League of Legends games. Yet, the small difference demonstrates that this performance change is not very impactful.
When Amumu is paired with Lee Sin, he observes a little drop in his total damage output. This may indicate that Lee Sin does not support by providing protection for him to deal more damage or that his presence also helps extend the match's duration. Similarly, when Amumu is played together with Lee Sin 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 synergisticly with Lee Sin.
Moreover, when Amumu plays with Lee Sin on the same side, he typically takes much less damage than when he fights alone. Receiving not as much damage could mean that Lee Sin does a decent job of protecting Amumu during team fights.
There is no universally accepted best companion for Amumu that will no matter what be his best synergy. Yet, Lee Sin is a relatively poor ally for Amumu. By playing on the same side as Amumu, he decreases their win rate by -1.2% to 47.8%. This demonstrates that there is a negative bond between Amumu and Lee Sin that allows them to perform not as well together than without each other.
Lee Sin has a greater difficulty than Amumu. That means Amumu players must be very careful when arranging Lee Sin teammates to go into battle on the same side as, as they will have to have a greater level of skill to cooperate well with you.
Playing alongside, you should observe an overall large increase in your team’s capability to provide utility and CC for your side. Combined, these champs should be able to manipulate the pace of team fights.
In contrast, by grouping Amumu and Lee Sin together, you will not be providing your team enough attack damage. We recommend you pick other champions on your team that fills this disparity in their abilities.
Regardless of your Lee Sin ally's ability, you should focus on increasing your income, warding to avoid ambushes, and taking down objectives. If you follow these simple suggestions, you will do well anyway.
If you would like to truly master Amumu to synergize with Lee Sin during both the lane and mid / late game phases of League of Legends matches, you should keep reading to learn a few extra tips and tricks for this champion pairing. If you pay attention to the build and stats shown here, you will grow your win rate by a lot.
The most important finished items to have in your Amumu and Lee Sin synergy build consist of Sunfire Aegis, Thornmail, and Jak'Sho, The Protean. When Amumu bought at least these three finished items in his build, he did a lot better as an ally of Lee Sin than with most other commonly used builds. In fact, Amumu had an average win rate of 47.8% helping carry Lee Sin with this build.
To have the best probability of defeating your oponents, Amumu players should equip the Aftershock, Font of Life, Bone Plating, Unflinching, Cheap Shot, and Ultimate Hunter runes from the Resolve and Domination rune sets. Out of all the rune sets players chose for this team composition, this combo of runes resulted in the greatest win rate. Notably, these runes gave a 47.8% winrate overall.
By default, tips, stats, and builds on how to pair Lee Sin with Amumu are presented for all ranked divisions combined. If you want to filter the statistics and builds to a specific rank, you may use the selection menu located earlier in the counter matchup guide.