Get boots early when playing against Syndra, they'll help you avoid many of her spells.
Attack Syndra after she's used Scatter the Weak, it has a long cooldown so she'll be vulnerable.
At max rank Syndra's spells gain bonus effects and change in appearance.
The stats provided here show some critical Yuumi against Syndra matchup statistics that can help us appreciate the differences between the pair. Yuumi’s KDA ratio ([kills + assists] / deaths) of NaN is better than Syndra’s KDA ratio of NaN, showing that Yuumi may be more central to her team's team fighting capacity than Syndra. This observation is largely a result of the differences in assists.
Yuumi usually has a significantly smaller longest killing spree than her counter does. Commonly, she takes less damage than Syndra. This typically indicates different amounts of tankyness; however, it can also imply that the champion with more health has less agility and thus is not able to flee from further damage when poked or engaged.
Both League of Legends champions are great. Both champs have their pros and cons. In League's current meta, Yuumi usually loses when facing off against Syndra, with a 47.2% win rate. Therefore, Yuumi makes a bad counter for Syndra.
While Yuumi does have a lower winrate than Syndra, when they face off with one another, Yuumi also has a much lower difficulty level that makes her a less complex champ to pick up and master. You may get destroyed when picking Yuumi into Syndra.
Moreover, Yuumi has a lot of utility and CC, a similar amount to Syndra. This often makes her just as valuable during teamfights, especially when trying to counter champions with a ton of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Yuumi vs Syndra matchups, Syndra is the better champion with a lower win rate, less champion complexity, and a similar amount of utility to help out your team members during teamfights.
Yuumi is a terribly counter to Syndra. You will do well by focussing your play on increasing your gold income and destroying objectives. If you do that, you should hold your own as Yuumi against Syndra.
If you would like to learn all of the intricacies of Yuumi in order to counter Syndra during both the early game and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tricks and insights into this matchup. If you listen to the build and suggestions presented here, you will grow your win rate significantly and be closer to League of Legends pro players.
Yuumi often gets a lot less CS compared to Syndra. Champions who on average don't take many minion kills often don't need much CS to be effective, such as support champions. These kinds of champions are able to scale well off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, usually need a lot of items to be effective. In either situation, try to exceed the values shown on this page to do well.
The best items to prioritize in your Yuumi versus Syndra build include Dream Maker, Imperial Mandate, and Moonstone Renewer. When Yuumi incorporated at least these three pieces in her build, she performed significantly better vs. Syndra than with many other typical item sets. In fact, Yuumi boasted an average winrate of 47.2% battling Syndra with this build.
To have the greatest chance of vanquishing Syndra as Yuumi, Yuumi players should equip the Summon Aery, Manaflow Band, Transcendence, Scorch, Font of Life, and Revitalize runes from the Sorcery and Resolve rune sets. Out of all the runes players used for Yuumi vs Syndra counters, this combo of runes yielded the greatest win rate. In fact, these runes gave a 47.2% winrate overall.
By default, tips, statistics, and builds on how to beat Syndra as Yuumi are presented for all skill levels combined. To scope the stats and builds to a particular division, you may use the selection menu located earlier on the page.