User blog comment:Richard Starkey/Richard Starkey/Astrotorical Collaboration Darkspoe Vs. League of Legends Round 3: The Chrono-shifter Vs. The Void Walker/@comment-3189283-20120519182547

This is a tough choice. If Kassadin can keep Vex at a distance they he will butcher him but once Vex closes the distance he will rip him to shreds. This coupled with his time manipulation and his insanely useful teleportation gives Vex the edge.