The local thieves' guild, the Shadow Thieves, also has considerable power.[41] The group, which operates all along the Sword Coast,[42] is based in Athkatla.[43] Another powerful organization in Amn are the Cowled Wizards, who regulate the use of magic in the region.[42][44] The Shadow Thieves, the Cowled Wizards, and the Harpers, a semi-secret conglomeration of good organizations,[2] all factor prominently into the story and provide side quests.[3]