Vex Probuilds explained
Based on our LoL Mid Tier List from pro builds at patch 15.14, 
Vex – the Gloomist – is a A-Tier champion. Among professional League of Legends players, Vex is most often selected on the 
Mid position. This is your source to learn all about Vex Probuilds and to learn how to play Vex. This page shows you how a pro builds Vex in detail. Solo queue and tournament matches played by the best Vex players are listed.
On the current patch pros on Vex have won 0 out of 0 matches, resulting in a win rate of 0% and a pick rate of 0%. In 0.7% of the matches Vex is banned, because it can be very unpleasant to have to play against the 
Mage. When Vex is not banned and only the Vex Probuilds are considered, the champion averages a KDA of 0.0 in professional players Solo Queue matches.
A Vex probuild is best suited to counter Yone, to counter Lux or to counter Irelia on the opposing team. With Vex and the available probuilds, it is possible to minimize their strengths and exploit their weaknesses. On the other hand, 
Taliyah, 
Syndra or Annie lead to desperation for Vex players. Learn from Pros how they counter pick Vex.
In regards to runes for Vex you can see that Domination and Inspiration are the rune paths, which are preferred by Pros.
FAQ for Vex Probuilds
On which position do the most Vex Probuilds exist?
Pros play Vex mostly on position Mid.