No.

[ The answer is sharp, and a touch angry. Not with Byleth, though. It's focused outward. ]

If you wish to learn what happened, I hear the theater in Highstorm shows a play about how they slaughtered her.

[ That. Leaves little room to the imagination. ]

She sought revenge for Cyrus' death, and attacked Zenith at their heart. She stepped down before the Twilight Stike happened, but I still mourn the hole she left when she was necessarily slaughtered.