The Yuumi Sett synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Sett, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, Yuumi sees a very large drop in her KDA (ratio of kills and assists to deaths) when paired with Sett. His KDA fell from NaN to NaN. This drop shows that Sett helps Yuumi perform not as well in competitive League of Legends matches. Yet, the small difference shows that this performance change is not very impactful.
When Yuumi is paired with Sett, she observes a small increase in her complete damage output. This may indicate that Sett provides cover for her to dish out more damage or that his presence also helps extend the round's duration. Similarly, when Yuumi is played with Sett on the same team, he usually scores many fewer killing sprees than when she plays without Sett. This is contrasting evidence that she is worse when playing synergisticly with Sett.
Moreover, when Yuumi plays with Sett on the same side, she on average receives a little more damage than when she fights alone. Taking more damage could indicate that Sett does a poor job of protecting Yuumi in team fights.
There is no top ally for Yuumi that will no matter what be her #1 ally. Yet, overall, Sett is a relatively poor ally for Yuumi. By locking into the same side as Yuumi, he decreases their win rate by -1.3% to 42.6%. This proves that there is a bad bond between Yuumi and Sett that allows them to perform not as well together than without each other.
Sett has a lower difficulty than Yuumi. That means you don't need to be very careful when lining up Sett teammates to go into battle on the same side as, as they will have to have a relatively low level of skill to do well with you.
Fighting on the same side, you will likely see an overall large increase in your team’s capability to deal physical damage. Combined, these two should be able to take down targets with auto-attacks and other AD damage abilities.
In contrast, by aligning Yuumi and Sett together, you probably will not be granting your side very much cover. Make sure to bring other champions on your team that offsets this disparity in their abilities.
Regardless of your Sett ally's skill level, 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.
To learn all of the intricacies of Yuumi to pair well with Sett during both the early game and mid / late game phases of LoL rounds, you should keep reading to master additional lessons on this champion pairing. If you use the build and stats displayed here, you will increase your win rate by a lot.
The most crucial finished items to prioritize in your Yuumi and Sett synergy build consist of Befreiungsschlag, Thymiaterion, and Traumweber. When Yuumi combined at least these three great items in her build, she performed significantly better as an ally of Sett than with most other common item sets. In fact, Yuumi boasted an average win rate of 42.6% helping carry Sett with these items in her kit.
To have the greatest likelihood of crushing your oponents, you should use the Benefee-Beschwörung, Manafluss, Überlegenheit, Hitzewelle, Lebensquelle, and Frische runes from the Zauberei and Entschlossenheit rune sets. Of all the rune builds players picked for Yuumi and Sett pairings, this combination of runes resulted in the highest win rate. In fact, these runes averaged a 42.6% win rate overall.
By default, tips, stats, and builds on how to pair Sett with Yuumi are shown for all ranked divisions combined. If you want to filter the statistics and builds to a specific skill level, you should use the selection menu earlier in the counter matchup guide.