"This is an extremely complex, advanced charm." Hermione's clear voice rang out from the doorway.
The four people in the room looked toward the door in surprise.
The girl tossed her hair, holding a book in her arms, and looked at Su Er. "I knew you'd be here."
Then she trotted over to the chair beside Su Er and sat down.
"I looked for you in several places, but you weren't in any of them. I guessed you'd be here at Hagrid's. This is the only relatively quiet place."
Hermione's eyes curved with her smile. "So, how does it feel to be in the spotlight?"
"Is this your first time meeting me, Miss Granger?" Su Er rolled his eyes, making the girl giggle.
"Say, could you tell us about that Fiddle-Fidelity Charm thing?" Ron spoke up.
"It's the Fidelius Charm, Ron." Hermione corrected Ron's mistake, shot him a glare, and cleared her throat.
"It can hide a secret completely within the souls of the caster and the witness. This chosen person is also called the Secret Keeper. Unless the Secret Keeper willingly reveals it, no magic can obtain this secret from the Secret Keeper."
"And that willingness has to be entirely voluntary on the Secret Keeper's part. Not even Veritaserum can force the Secret Keeper to reveal the secret."
"Why did you suddenly start talking about this magic?" After solemnly repeating what she had read in a book, Hermione tilted her head curiously, though her gaze turned to Su Er.
"Well, Hagrid was telling us about the relationship between Harry's parents and Sirius and the others."
"Really?" Hermione was clearly intrigued. Although she already knew the general outline from Su Er, she still very much wanted to hear what the story would sound like from someone else. "You don't mind