Your most important function as a support is to keep fragile allies safe. Keep Devour's range and cooldown in mind and position accordingly!
Consider carefully when to use Thick Skin's active. Sometimes shielding early to avoid further damage is good, but sometimes the healing is more beneficial.
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 Tahm Kench 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, Tahm Kench sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Sion. His KDA worsened from NaN to NaN. This decrease shows that Sion helps Tahm Kench perform not as well in competitive LoL games. Yet, the small difference demonstrates that this performance change is not very impactful.
When Tahm Kench is paired with Sion, he observes a barely noticable drop in his full damage dealt. This difference could demonstrate that Sion does not provide cover for him to deal more damage or that his presence also helps increase the match's duration. Similarly, when Tahm Kench is played together with Sion on the same side, he usually scores many fewer killing sprees than when he plays without Sion. This is contrasting evidence that he is worse when playing synergisticly with Sion.
Moreover, when Tahm Kench plays with Sion on the same team, he usually receives a little more damage than when he fights alone. Taking more damage could mean that Sion does a poor job of covering Tahm Kench during teamfights.
There is no one best companion for Tahm Kench that will always be his top ally. However, overall, Sion is a relatively poor companion for Tahm Kench. By being on the same team as Tahm Kench, he drops their win rate by -1.7% to 49.9%. This demonstrates that there is a bad bond between Tahm Kench and Sion that results in them performing worse together than without each other.
Sion has a lower difficulty than Tahm Kench. That means Tahm Kench players don't need to be careful when lining up Sion comrades to fight alongside, as they will need a lower level of skill to be able to fight well with you.
Fighting on the same side, you will likely see an overall large increase in your team’s capability to tank a lot of damage. Combined, these champs might be able to provide enough cover for their team's carries.
Conversely, by grouping Tahm Kench and Sion together, you probably will not be granting your other allies enough attack damage. We recommend you include other champs on your team that helps cover this disparity in their abilities.
Regardless of your Sion ally's ability, you need to focus on increasing your income, warding to avoid ambushes, and taking down objectives. If you do this, you should do well anyway.
To truly master Tahm Kench in order to pair well with Sion during both the laning and mid / late game phases of LoL games, you should keep reading to learn a few extra tips and tricks for this champion pairing. If you listen to the build and tips presented above, you will increase your win rate significantly.
The most crucial items to build first in your Tahm Kench and Sion synergy build consist of Unending Despair, Heartsteel, and Hollow Radiance. When Tahm Kench bought at least these three finished items in his build, he did a lot better when paired up with Sion than with many other commonly used builds. In fact, Tahm Kench had an average winrate of 49.9% when playing alongside Sion with these items in his kit.
To have the best likelihood of crushing your oponents, Tahm Kench players should take the Grasp of the Undying, Shield Bash, Second Wind, Unflinching, Legend: Alacrity, and Triumph runes from the Resolve and Precision rune sets. Of all the rune sets players chose for this team composition, this set of runes yielded the highest win rate. Moreover, these runes provided a 49.9% winrate overall.
If you would like to get Tahm Kench and Sion collaboration tips and builds for a a distinct skill level, feel free to choose one from the selection menu displayed above. If viewing for the first time, the stats and strategies displayed are calculated using all games with data with these champions.