Take advantage of Flurry by weaving in basic attacks between spell casts - this maximizes damage output and minimizes Energy loss.
Use Sonic Wave before Dragon's Rage so you can chase the target with Resonating Strike.
Self-casting Safeguard and using Iron Will are powerful tools for killing neutral monsters (in the jungle).
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 K'Sante Amumu synergy stats shown here demonstrate the areas of their gameplay that do better (or worse) when paired with Amumu, compared to their overall stats. Significant differences are areas of focus that highlight how their gameplay changes when paired with this other champion.
Overall, K'Sante sees a large worsening in their KDA (ratio of kills and assists to deaths) when paired with Amumu. His KDA worsened from NaN to NaN. This negative change shows that Amumu helps K'Sante perform not as well in competitive League games. Yet, the small difference demonstrates that this performance change is not very impactful.
When K'Sante tries to synergize with Amumu, they gets a marginal improvement in their full damage output. This could demonstrate that Amumu provides protection for them to deal more damage or that his allyship also helps increase the match's duration. Similarly, when K'Sante is played alongside Amumu on the same side, he usually scores many fewer killing sprees than when they plays without Amumu. This is contrasting evidence that they is worse when playing synergisticly with Amumu.
Moreover, when K'Sante plays with Amumu on the same side, they typically receives a little more damage than when they plays alone. Getting dealt more damage could mean that Amumu does a poor job of protecting K'Sante during teamfights.
There is no perfect companion for K'Sante that will no matter what be their best ally. Yet, Amumu is a very typical companion for K'Sante. By locking into the same side as K'Sante, he drops their win rate by -0.8% to 46.4%. This clearly indicates that there is not really a strong bond between K'Sante and Amumu that allows them to perform worse together than alone.
Amumu has a much lower diffuclty than K'Sante. That means you don't need to be careful when lining up Amumu comrades to play with, as they will need a much lower level of skill to be able to cooperate well with you.
Fighting on the same side, you should expect to observe an overall large increase in your team’s ability to to do a lot of AP damage. Combined, these champs can deal quite a lot of AP type damage.
Conversely, by bringing K'Sante and Amumu together, you may not be providing your other allies very much AD. Plan to bring other champions on your team that offsets this relative disparity in their abilities.
Regardless of your Amumu ally's skill level, you need to focus on maximizing your gold income, outlasting your enemies, and taking down objectives. If you do this, you will do well anyway.
If you would like to truly master K'Sante in order to synergize with Amumu during both the lane and mid / late game phases of LoL matches, you should continue reading to gather some more tips and tricks for this champion pairing. If you listen to the build and suggestions presented above, you will increase your win rate by a lot.
The most important finished items to use in your K'Sante and Amumu synergy build consist of Sunfire Aegis, Iceborn Gauntlet, and Jak'Sho, The Protean. When K'Sante bought at least these three finished items in their build, they performed significantly better when paired up with Amumu than with most other common item sets. In fact, K'Sante had an average win rate of 46.4% helping carry Amumu with these items in their kit.
To have the highest likelihood of defeating your oponents, you should equip the Grasp of the Undying, Demolish, Conditioning, Overgrowth, Approach Velocity, and Biscuit Delivery runes from the Resolve and Inspiration rune sets. Out of all the rune builds players used for this team composition, this blending of runes yielded the highest win rate. Notably, these runes gave a 46.4% winrate overall.
If you need to see K'Sante and Amumu cooperations tips and builds for a a particular player tier, feel free to choose one from the selection menu provided above. By default, the stats and guides given are computed using all games played with these champs.