InEchoes of an Ancient Enemy, the first full campaign book expansion forDreams and Machines, gamemasters lead their players on a sprawling, three-part campaign shrouded in secrets and mystery. Across the books three Acts, the Thralls become a powerful threat, bursting forth from their homes under the ground for reasons the players must uncover. Whilst untangling threads, the Dark City continues to grow in power. More and more Thralls than ever before heed its sinister call, but for what purpose and do they truly do so of their own free will?