Lee Sin relies heavily on following up with his abilities. Use disables to prevent him from chaining together his abilities and attacks.
Stay spread out to minimize the impact of Lee Sin's ultimate, Dragon's Rage.
Lee Sin has powerful tools to combat physical damage in Iron Will and Cripple but he is still vulnerable to magic damage.
The stat comparisons provided here clarify some critical Vex against Lee Sin counter stats that may help you realize the distinctions between the pair. Vex’s KDA ratio ([kills + assists] / deaths) of NaN is more than Lee Sin’s ratio of NaN, demonstrating that Vex may be more central to their team's team fighting capacity than Lee Sin..
Vex typically has a similar longest killing spree as their opponent does. Commonly, they takes less damage than Lee Sin. This often reflects differing health capacities; however, it can also show that the champ with increased HP has less agility and thus is unable to escape further harm when engaged or poked.
Both League of Legends champs are great champions. Both have their pros and cons. In League's current meta, Vex usually wins when taking on Lee Sin, with a 53.5% win rate. As a result, Vex makes a great counter for Lee Sin.
While Vex does have a higher win rate than Lee Sin, when facing one another, Vex also has a much lower learning curve that makes them a less time consuming character to develop with. You don't need to be too worried when picking Vex into Lee Sin.
Moreover, Vex has some amount of CC and other utility, a similar amount to Lee Sin. This often makes her just as valuable during team fights, especially when fighting champions with a ton of burst damage.
While there is not one best champion for every situation in League of Legends, in Vex vs Lee Sin matchups, Vex is the better champion with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your allies during team fights.
Vex is a great counter for Lee Sin. Make sure you focus your gameplay on keeping up your CS and taking out objectives. If you can do that, you should do very well as Vex against Lee Sin.
If you would like to truly master Vex to counter Lee Sin during both the lane and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tips and tricks for this matchup. If you pay attention to the build and suggestions presented above, you should grow your win rate by a lot and be closer to League of Legends pro players.
Vex on average accumulates much more CS compared to Lee Sin. Champions who on average don't acquire many minion kills often don't require much CS to be valuable teammates, such as supports. These kinds of champions are able to scale well off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually require many items to be effective. In either case, try to surpass the values reported on this page to do well.
The top items to focus on in your Vex versus Lee Sin build include Rabadon's Deathcap, Stormsurge, and Luden's Companion. When Vex incorporated at least these three pieces in their build, they did significantly better countering Lee Sin than with most other typical counter builds. In fact, Vex had an average winrate of 53.5% when playing against Lee Sin with this build.
To have the highest chance of beating Lee Sin as Vex, you should take the Dark Harvest, Taste of Blood, Eyeball Collection, Ultimate Hunter, Manaflow Band, and Transcendence runes from the Domination and Sorcery rune sets. Out of all the runes players used for Vex vs Lee Sin battles, this composite of runes resulted in the best win rate. Notably, these runes provided a 53.5% winrate overall.
By default, tips, stats, and builds on how to beat Lee Sin as Vex are displayed for all ranked divisions combined. To scope the stats and builds to an individual player tier, you can use the selection menu located earlier in the counter matchup guide.