The Black Family ancestral home had an enormous library that contained nearly every spell in the Wizarding World.
The Search Spell was an especially obscure spell, one that could search for a particular trait of a specific person.
Sirius had only learned of the Search Spell when he had happened upon it while looking for another spell.
He could not remember the incantation, but he remembered that the spell was extremely difficult—far more difficult than the spell he had been searching for at the time.
After all, Vincent was Nicolas Flamel's apprentice and talented enough to be granted the use of a Time-Turner. It was only natural that he was stronger than Sirius had been in school.
Besides, that club-like wand was anything but ordinary. It could actually cast two spells at once.
Fine, there was no way around being honest.
Even after learning the truth, Vincent and Hermione did not lower their guard.
With the Serpent Staff and Gunblade pointed at him, Sirius felt both frustrated and furious.
"Cough, cough..." He cleared his throat slightly and slowly raised his hands.
"I've answered your questions. Can you answer a few of mine?"
"Yes." Vincent's expression remained cold. "Don't you want to know how we discovered Peter Pettigrew?
"I can tell you everything exactly as it happened, but you have to agree to one condition first."
The muscles in Sirius's face twitched wildly.
He quickly calmed down. "Go on. What condition?"
Vincent shifted the Serpent Staff slightly aside. "No matter what happens tonight, you have to listen to us. You cannot act on your own."
"Fine, but..." Sirius's eyes instantly filled with murderous intent. "But you cannot stop me from dealing with that despicable traitor."
Now that they knew the truth of that year, it was naturally difficult for the two