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" The last time he’d crossed Luxbridge, Dorian had only noticed the brilliance of the magic, sparkling, springy underfoot, coruscating in a thousand colors at every step. Now, he saw nothing but the building blocks to which the magic was anchored. Luxbridge’s mundane materials were not stone, metal, or wood; it was paved with human skulls in a path wide enough for three horses to pass abreast. New heads had been added to whatever holes had formed over the years. Any Vürdmeister, as masters of the vir were called after they passed the tenth shu’ra, could dispel the entire bridge with a word. Dorian even knew the spell, for all the good it did him. What made his stomach knot was that the magic of Luxbridge had been crafted so that magi, who used the Talent rather than the foul vir that meisters and Vürdmeisters used, would automatically be dropped "
― Brent Weeks , Beyond the Shadows (Night Angel, #3)