's DLC introduces a number of mysterious factions across the foggy island map. There's the sour harbor folk, the secretive synths of Acadia, andthe radiation-worshiping cultists of the Children of Atom.
The faction has appeared in other games previously, and even shows up in the Glowing Sea of, but they are present in Far Harbor with greater strength than ever, based in an old nuclear submarine.
The Children are currently led by Confessor Tektus, an aggressive zealot who wants nothing but death for the other folk on the island.
But before him, another confessor led this group: Martin, a man only ever mentioned in the game when the player arrives.
The mystery around Martin's disappearance, and the implications it has for the tensions on Far Harbor, are quite consequential when it comes to the DLC's core story.