'Tis but a matter of old Equestrian history. We have lived long enough that I imagine we should recognize most any form it chose.

[Luna feels a stab of guilt for lying, but she did not come here and agree to help Jeeves just to get her own frailties picked at. She's told those she believes deserve the story long ago, and while it has crossed her mind more than once that those who fought the Nightmare deserve to know what its history was...

...she'll do it on her own terms if she does. Not like this.]