The leader of the community, Marcus, was pushed out. Over time, nightkin and the second generation super mutants trickled into Black Mountain, which eventually caused problems. After the fall of the Master, many of the first generation super mutants headed east, and here they were able to find a place to set up a camp.
This area was so irradiated that no one survived in it. Black Mountain was unoccupied for over a century after the war.
