Long ago, people were everywhere. Buildings were everywhere, animals were plentiful. One griefer decided he didn't like it. He set a slow worldborder, drawing all into the center. He then set to work, destroying everything. That day, when players logged off, nobody returned.
The world border miraculously ceased at 100 blocks. The world was left untouched for thousands of years, until you came...
It is your job to explore, survive, and rebuild the world that has been vandalized.
