The Senna Yuumi synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Yuumi, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, Senna sees a large worsening in her KDA (ratio of kills and assists to deaths) when paired with Yuumi. His KDA decreased from NaN to NaN. This fall shows that Yuumi helps Senna perform worse in competitive League games. Yet, the small difference indicates that this performance change is only marginal.
When Senna plays on the same team as Yuumi, she sees a noticable increase in her full damage output. This may signal that Yuumi helps provide cover for her to dish out more damage or that her presence also helps increase the match's duration. Similarly, when Senna is played alongside Yuumi on the same team, he usually scores many fewer killing sprees compared to when she plays without Yuumi. This is contrasting evidence that she is worse when playing synergisticly with Yuumi.
Additionally, when Senna plays with Yuumi on the same team, she typically takes more damage than when she fights alone. Taking more damage may indicate that Yuumi does a poor job of covering Senna during team fights.
There is no universally accepted best champion pairing for Senna that will always be her ideal ally. However, overall, Yuumi is a terrible companion for Senna. By locking into the same team as Senna, she drops their win rate by -8.2% to 42.1%. This clearly indicates that there is a very bad synergy between Senna and Yuumi that allows them to perform worse together than without each other.
Yuumi has a much lower diffuclty than Senna. That means Senna players don't need to be cautious when lining up Yuumi comrades to go into battle on the same side as, as they will have to have a much lower level of skill to be able to do well with you.
When playing cooperatively, Senna players should observe an overall large increase in your team’s capability to provide a lot of utility for your team. Combined, these champions will help their other teammates secure a victory.
Conversely, by bringing Senna and Yuumi together, you probably will not be giving your team a lot of engage. Make sure to include other champions on your team that nullifies this disparity in their playstyle.
Regardless of your Yuumi ally's skill level, you need to focus on increasing your gold income, staying alive by avoiding foolish fights, and taking down objectives. If you heed this simple advice, you will do well anyway.
If you would like to truly master Senna in order to pair well with Yuumi during both the early game and mid / late game phases of LoL rounds, you should keep reading to learn a few extra tricks and insights into this champion pairing. If you pay attention to the build and suggestions presented above, you will increase your win rate significantly.
The top items to focus on in your Senna and Yuumi synergy build consist of Klinge der Unendlichkeit, Schnellfeuer-Geschütz, and Krakenbezwinger. When Senna included at least these three items in her build, she performed significantly better when fighting alongside Yuumi than with many other typical builds. In fact, Senna had an average win rate of 42.1% when playing alongside Yuumi with this build.
To have the greatest chance of beating your oponents, Senna players should equip the Leichtfüßigkeit, Geistesgegenwart, Legende: Eifer, Niedermäher, Kekslieferung, and Anziehungskraft runes from the Präzision and Inspiration rune sets. Out of all the rune sets players used for Senna and Yuumi pairings, this mix of runes resulted in the highest win rate. Moreover, these runes averaged a 42.1% winrate overall.
By default, tips, stats, and builds on how to team up Yuumi with Senna are displayed for all ranked divisions. If you want to scope the stats and builds to a particular player tier, you can use the selection menu above.