Quadrate:

     The Quadrate are a nomadic race, removed from the norms of society. Like elves, the Quadrate strive to keep their roaming civilizations as concealed as possible from the “civilized” world. They always traveling in single file to hide their numbers.
      The Quadrate king often sends Silent Walkers into the world of humans, dwarves and the other races of mankind. Silent Walker is a title earned by the most skilled, the most brave and advanced of the Quadrate race. They are sent out into the world to discover power, and to bring it back to aid their people.