Quotes / Cryptic Background Reference

Fia: It looks like we've reached the catacombs proper.
Cierra: Supposedly, the Six Priests set traps here to deal with intruders. They might still be working even though they're old, so we should be careful.
Ein: The Six Priests?
Cierra: Yes.
Ein: ...who are the Six Priests?
Cierra: You know. The Six Priests?
Ein: No, I don't.
Cierra: ...well, there you are. That's who I'm talking about. The Six Priests.
Ein: Yes, but that doesn't help me out much, does it? I mean, who are they? They haven't ever been mentioned before. Are they like the Seven Magi? Are they historical figures? You can't just reference something like that out of the blue and expect everyone to know what you're talking about. I need details here.
Cierra: ...they're the Six Priests. They're priests and there are six of them. I don't know what else to tell you.

"I know an eighteenth charm, and that charm is the greatest of all, and that charm I can tell no man, for a secret that no one knows but you is the most powerful secret there can ever be."

"Imagination is cheap if we don't have to bother with the details."
Daniel Dennett