MARMEZCUA spends her days hunting invisible game. Lumbering giants, impossible to see with the naked eye, expertly camouflaged in the darkness of the night sky. She knows they're out there; she has seen their footprints, tracked their spoor. But for all the hours she has spent lying in wait for black holes, there is one breed she has never spotted. On paper, they are fairly unremarkable: average size, average mass. They aren't supposed to be any better at hiding than the others, and they should exist in roughly equal numbers. But they just aren't there.
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