This achievement is gained upon completing all the missions in the Veil of Alaris.
Hero of Argath, Bastion of Illdaera
Hero of Valley of Lunanyn
Hero of Sarith, City of Tides
Hero of Rubak Oseka, Temple of the Sea
Hero of Beasts' Domain
Hero of Resplendent Temple
Hero of Pillars of Alra
Hero of Windsong Sanctuary
Hero of Erillion, City of Bronze
Hero of Sepulcher of Order