Obtain (autoupdate) a full set of va vex runes from the minions of Vex Thal you can find in front of the Vex Thal Portal ( 26, 151, 492 ) Copy/waypoint 26, 151, 492:
Ved rune from shadowy assassins around ( 26, 151, 492 ) Copy/waypoint 26, 151, 492. This one came out of the ground at this location ( 9, 149, 473 ) Copy/waypoint 9, 149, 473 following a black smoke, like shadowed harvestables.
Vin rune from shadowy assassins around ( 26, 151, 492 ) Copy/waypoint 26, 151, 492.
note: Ved and Vin both dropped from the same assassin after 25+ kills
Speak with Xawon at ( -211, 62, 114 ) Copy/waypoint -211, 62, 114.