Well, G, if anything this could be good fodder for battle costumes for Remilia.

White Costume: "I'm here to kick ass and chew bubblegum. And I'm all outta bubblegum."

Black Costume: "OOOHH!!! Now you fucked up! Now you fucked up! Now you fucked up! You have fucked up now!"

And don't tell me we won't be seeing her back in the main UF timeline. I am certain Remilia, as attached to her home as she is, will be more than willing to do her own bit of wandering around - if nothing else than to see New Avalon for herself.

(Besides, at some point in time, I'm sure that The Doctor, Don Gryphon, or someone else can figure out how to get the Scarlet Devil Mansion unstuck.)

Besides, I'd absolutely love to see her meeting Marceline and Saya.

...D'oh gawd. Sudden realization. Flandre would absolutely IDOLIZE Marceline. Because while Remilia is the Beloved Big Sister, Marceline would be the COOL Big Sister.

Saya?

BAD ASS BIG SISTER.