Looking for a fic

[Bob Schroeck]

Here's one that I lost when a thumb drive crashed, and I'd like to find it again. It's a Buffy/Miles Vorkosigan crossover, in which Miles gets interested in the secret behind a mysterious memorial on Earth. No one knows where it came from or who maintains it, or why names periodically appear on it (although simple research reveals that new names are almost always persons who recently died). Attempts by official types to add names have failed, except in the case of a world-acclaimed hero who seems to have been accepted as an honorary member of whatever group is behind the memorial.

Does this ring a bell for anyone?
-- Bob
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Then the horns kicked in...
...and my shoes began to squeak.