Take advantage of Flurry by weaving in basic attacks between spell casts - this maximizes damage output and minimizes Energy loss.
Self-casting Safeguard and using Iron Will are powerful tools for killing neutral monsters (in the jungle).
Use Sonic Wave before Dragon's Rage so you can chase the target with Resonating Strike.
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 shown on this page underscore some important Lee Sin vs. Syndra matchup statistics that may help us explain the distinctions between this set of champions. Lee Sin’s KDA ratio ([kills + assists] / deaths) of NaN is more than Syndra’s ratio of NaN, highlighting that Lee Sin may be more central to his team's team fighting potential than Syndra..
Lee Sin normally has a similar longest killing spree as his opponent does. Typically, he receives more damage than Syndra. This commonly reflects different amounts of tankyness, yet it can also imply that the champion with higher health has less mobility and thus is not able to kite away from additional harm when poked or engaged.
Both LoL champions are great. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Lee Sin usually loses when facing off against Syndra, with a 47.0% win rate. As a result, Lee Sin makes a bad counter for Syndra.
While Lee Sin does have a lower winrate than Syndra, when they face off with one another, Lee Sin also has a lower level of difficulty that makes him a less challenging champ to learn and master. You should expect to face a difficult match when picking Lee Sin into Syndra.
Furthermore, Lee Sin has some amount of utility and CC, a similar amount to Syndra. This makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there isn't one best champion in League of Legends, in Lee Sin vs Syndra matchups, Syndra is the better champion with a much lower win rate, less champion complexity, and a similar amount of utility to help out your team members during teamfights.
Lee Sin is a garbage counter to Syndra. You will do well by focussing your play on maximizing your CS and destroying objectives. If you can do that, you should do very well as Lee Sin against Syndra.
To truly master Lee Sin to counter Syndra during both the early game and mid / late game phases of League of Legends, you should continue reading to pick up a few extra lessons on this matchup. If you listen to the build and suggestions presented above, you will grow your win rate significantly and be closer to League of Legends pro players.
Lee Sin often accumulates a lot less CS relative to Syndra. Champions who on average don't get much CS often don't have to have much CS to be valuable teammates, such as sup champs. They are capable of scaling well off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually require several high cost items to be effective. In either case, try to exceed the numbers reported here to do well.
The most important items to have in your Lee Sin versus Syndra build include Sterak's Gage, Spear of Shojin, and Sundered Sky. When Lee Sin included at least these three pieces in his build, he did a lot better vs Syndra than with many other common counter builds. In fact, Lee Sin boasted an average win rate of 47.0% battling Syndra with these items in his kit.
To have the best likelihood of vanquishing Syndra as Lee Sin, you should equip the Conqueror, Triumph, Legend: Alacrity, Coup de Grace, Magical Footwear, and Cosmic Insight runes from the Precision and Inspiration rune sets. Out of all the rune sets players picked for Lee Sin vs Syndra matchups, this set of runes yielded the best win rate. Moreover, these runes gave a 47.0% winrate overall.
By default, tips, stats, and builds on how to beat Syndra as Lee Sin are presented for all skill levels combined. To scope the stats and builds to a specific rank, you should use the selection menu above.