Well, if you destroy and/or reintegrate the planet Faerie with the universe, the Fairy Path will die in agony. Faerie is like the Path's brain and nerve center. On the other hand, that would still stuck. Stranded fairies everywhere.

Very fun, though.

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*Edit:* Oh, and I intentionally left the history section vague. I think there's enough Empires in this RP that any one of them could have been responsible for destroying the friendly neighbor civilization. So feel free to claim that deed, if you'd like!