Ralyn Laurel will spawn once the Ancient Wardstone at ( 3430, 3950 ) is active. Run up to the construct on the Spice Road to activate this escort quest.
Walk very slowly. If you get too far away he will despawn. Nothing appears to attack you so unless you run into an Invasion or a Defiant player (PvP) you should not have to fight. After completion click on the diamond at the center-top of your screen to Finish the quest.