For increased range and damage, try casting Shock Blast through the Acceleration Gate.
If you find yourself taking lots of damage, try using Jayce's Hammer Stance, as it grants you additional defenses.
Be sure to switch stances often. It will enhance your attacks and grant you quick bursts of speed.
The stat comparisons shown on this page show several valuable Jayce against Vex matchup statistics that can help you realize the differences between the two. For instance, Jayce’s KDA ratio ([kills + assists] / deaths) of NaN is more than Vex’s ratio of NaN, showing that Jayce may be more central to his team's team fighting capacity than Vex..
Jayce typically has a similar longest kill spree as his counter does. On average, he receives a similar amount of damage to Vex. This commonly reflects differing health capacities, but it can also illustrate that the one champion has less agility and thus is not able to flee from further harm when poked or engaged.
Both League champions are great. Both have their strengths, weaknesses, and counters. In the game's current meta, Jayce usually loses when playing against Vex, with a 46.1% win rate. Therefore, Jayce makes a poor counter for Vex.
While Jayce does have a lower winrate than Vex, when on opposite teams, Jayce also has a much greater level of difficulty that makes him a more difficult champion to pick up and master. You may get destroyed when picking Jayce into Vexas his relative depth means you may not be able to unleash his full potential without a significant amount of practice beforehand.
Moreover, Jayce has only a small amount of CC and other utility, a similar amount to Vex. This often makes her just as valuable during teamfights, especially when fighting champions with a ton of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Jayce vs Vex matchups, Vex is the better champion with a much lower win rate, more champion depth, and a similar amount of utility to help out your teammates during late stage team fights.
Jayce is a terribly counter for Vex. Focus your play on maximizing your gold income and clearing objectives. If you are able to do that, you should hold your own as Jayce against Vex.
If you would like to learn all of the intricacies of Jayce to counter Vex during both the lane and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tips and tricks for this matchup. If you listen to the build and stats presented above, you will increase your win rate significantly and be closer to League of Legends pro players.
Jayce often racks up a similar amount of CS compared to Vex. Champions who typically don't take much CS usualy don't need much CS to be effective, such as support champions. They are capable of scaling well off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, usually need a lot of items to be effective. In either situation, try to do better than the values reported on this page to do well.
The most important items to focus on in your Jayce versus Vex build include Muramana, Serylda's Grudge, and Opportunity. When Jayce bought at least these three items in his build, he performed a lot better when facing Vex than with many other commonly used builds. In fact, Jayce boasted an average win rate of 46.1% when playing against Vex with this counter build.
To have the best likelihood of crushing Vex as Jayce, you should take the Phase Rush, Manaflow Band, Absolute Focus, Gathering Storm, Biscuit Delivery, and Magical Footwear runes from the Sorcery and Inspiration rune sets. Of all the rune combinations that we analyzed for Jayce vs Vex clashes, this set of runes yielded the greatest win rate. In fact, these runes provided a 46.1% win rate overall.
By default, tips, statistics, and builds on how to beat Vex as Jayce are shown for all ranked divisions combined. To filter the statistics and builds to a specific division, you may use the selection menu earlier in the counter matchup guide.