Kaede's flying with purpose. He has Information and a little artefact to prove his Information is correct. This will be grand. He's flying and he's grinning and life's (reasonably) good (terms and conditions apply).
"There's a religion for the whole species and literally no one else," corrects Kaylo.
"A secretive religion. What a novel concept. I guess I shouldn't really be surprised about anything, a sample size of one plus history books and regional variations shouldn't mean anything."
"How'd one religion get universal? The vampires needed a plague and that's just one species."
"The War, probably, killed more people than any plagues—although history is not well-documented enough."
"I mean, the plague selectively killed people who didn't belong to their religion."
"Not for, like, divine reasons, because their religion forbids feeding on people without their consent and the plague was fatal to vampires who preyed on whoever had it so it mattered if your snack could tell you to fuck off."
"It's symptomatic, just not conspicuous. And we're exhausting my knowledge of vampire theology."
"Huh. Well, anyway, the people who managed to win the War probably enforced their religion on everyone and that's how it became so widespread," he shrugs.
"History's not very well-documented, like I said. Which is funny if you think of how much tech they had, but the fact that there is a whole Guild for Historians might explain it—they could just have some widespread conspiracy to keep ancient history books from leaking or something."
"I don't think the widespread conspiracy is at all likely, it's just that the majority of pre-War records having mysteriously vanished or not been produced at all sounds... about as likely."
"I suppose it's possible. I mean they'd invented it, we do have some records, just not many."