Killing Tentacles whenever possible will make it much easier to win a fight against Illaoi.
When your spirit gets pulled out, fight back if you can. Dealing damage to Illaoi reduces the spirit's duration.
Avoid grouping up for Leap of Faith to reduce the number of Tentacles available to Illaoi.
The stat comparisons shown on this page feature some critical Vex against Illaoi counter stats that may help us realize the differences and similarities between this set of champions. Vex’s KDA ratio ([kills + assists] / deaths) of NaN is more than Illaoi’s ratio of NaN, indicating that Vex may be more central to their team's team fighting capacity than Illaoi..
Vex normally has a slightly larger longest killing spree than their foe does. On average, they receives less damage than Illaoi. This typically indicates different amounts of tankyness, but it can also indicate that the champion with higher HP has less agility and thus is not able to escape further damage when poked or engaged.
Both LoL champs are great champions. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Vex usually fairs equally well when playing against Illaoi, with a 49.6% win rate. As a result, Vex makes an ok counter for Illaoi.
While Vex does have a lower winrate compared to Illaoi, when they face off with one another, Vex also has a much lower level of difficulty that makes them a less time consuming champ to pick up and master. You still need to be cautious when picking Vex into Illaoi.
Furthermore, Vex has some amount of utility and CC, a similar amount to Illaoi. This often makes her just as valuable during team fights, especially when fighting champions with a lot of burst damage.
While there isn't one best champion overall in League of Legends, in Vex vs Illaoi matchups, Illaoi is the better champ with a similar win rate, less champion complexity, and a similar amount of utility to help out your teammates during team fights.
Vex is a somewhat poor counter for Illaoi. You will do well by focussing your strategy on keeping up your gold income and clearing objectives. If you can do that, you should be able to stand on your own as Vex against Illaoi.
If you would like to learn all of the intricacies of Vex to counter Illaoi during both the laning and mid / late game phases of League of Legends, you should keep reading to learn a few extra tips and tricks for this matchup. If you pay attention to the build and tips shown above, you will increase your win rate by a lot and be closer to League of Legends pro players.
Vex usually gets a similar amount of CS relative to Illaoi. Champions who typically don't earn many minion kills usualy don't have to have much CS to be valuable teammates, such as sup champs. They are able to scale properly off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, usually have to have a lot of items to be effective. In either case, try to surpass the numbers reported here to do well.
The most crucial items to prioritize in your Vex versus Illaoi build consist of Rabadon's Deathcap, Shadowflame, and Luden's Companion. When Vex combined at least these three pieces in their build, they performed a lot better when facing Illaoi than with most other commonly used item sets. In fact, Vex boasted an average winrate of 49.6% when playing against Illaoi with these items in their kit.
To have the greatest likelihood of coming out on top against Illaoi as Vex, you should take the Electrocute, 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 Illaoi counters, this order of runes resulted in the highest win rate. Moreover, these runes provided a 49.6% winrate overall.
By default, tips, statistics, and builds on how to beat Illaoi as Vex are displayed for all ranked divisions. If you would like to filter the stats and builds to a specific skill level, you may use the selection menu located above.