A Dark Emissary is a former Truthsayer, a sorcerer from the isle of Albion, that uses a specific strand of Chaos magic, granted to them by their lord and master, the Daemon Prince Be'lakor. They traveled the Old World and lured power-hungry, greedy or evil armies to the mist-shrouded island, to help their Dark Master. Like the pure Truthsayers they are able to create and control the Fenbeasts of Albion.
After the defeat of the Dark Master the Dark Emissaries became targets of the revenge from the Truthsayers as well as from their former allies, who felt misused and betrayed by them. They fled the island of Albion and roam now the Warhammer world as Dogs of War, who sell their service to the highest bidder. They will fight for the Hordes of Chaos and the warherds of the Beastmen as well as for Dark Elves, Vampire Counts, Skaven or Greenskins and even may be hired by some unscrupulous mercenary general or Elector Count from one of the Imperial provinces. Most notable places where they dwell now are in the Chaos Wastes. Their symbol is a spiral form, a feared and potent sign of dark and Chaotic magic.
- Warhammer Armies: Dark Shadows, 2001, Needs Citation