Another theory on Serenity's role in the battle is that she was busy keeping Beryl-and-or-Metallia from flat-out lolnuking the Palace region. Sort of the "Anti-Artillery".
As for stories set in the Silver Millennium, John Biles & Jeff Hosmer's "Sailor Moon Z" has some extensive flashbacks as well. And is generally a very well-written story.
As for stories set in the Silver Millennium, John Biles & Jeff Hosmer's "Sailor Moon Z" has some extensive flashbacks as well. And is generally a very well-written story.