History's meticulous logic was truly astonishing. Everything that happened, whether deliberately or by accident, would ultimately steer history in the "correct" direction.
Delphi's blood had been collected.
There was not much of it. The thumb-sized vial was only barely covered at the bottom.
"Is this enough?"
As Harry tucked his recovered wand into his sleeve, he, Hermione, and Ron bent forward slightly, studying the small vial in Professor Breen's hand with some concern.
"I think... the quantity shouldn't be a problem."
Brushing aside a loose strand of hair, Hermione spoke. She hesitantly glanced at Professor Breen. They were pressed for time and had to return as soon as possible.
"Come to think of it—"
With an intrigued look, Amosta examined the faintly rippling crimson liquid at the bottom of the vial. Then he suddenly looked up and asked eagerly,
"You call me Professor. What exactly did I teach you at Hogwarts?"
Harry was about to answer, but Hermione shot him a fierce glare, and he sheepishly closed his mouth.
Amosta shrugged and did not press the matter.
That was not what interested him most.
Amosta placed Delphi's blood beside him, with no intention of handing it over to the three of them. He then picked up the commemorative coin again and studied it. It contained magic cast by his future self, which was both interesting and worth learning from.
After rubbing it between his fingers for a while, Amosta suddenly asked again,
"I gave this to you, right? What does the magic inside it do?"
That seemed like a question they could answer.
Hermione glanced at Ron. He looked a little nervous, probably worried that he would not get the coin back.
"You gave the coin to Ron. It contains Tracking Magic and can help us locate you.
"The book