After Hermione gave him a thorough dressing-down, Harry left somewhat unwillingly—
More precisely, Hermione had suggested that Harry stay and revise for the final exams with her, but Harry used the excuse that he had more important things to do and fled the library as though running for his life.
Harry decided to go look for Tierra again.
"Tierra! Tierra!" Harry arrived at the Dark Magic Office, knocked on the door, and called out.
"Sigh, what is it, Harry?" Tierra opened the door helplessly.
Since the final exams were drawing near, most classes had already ended. So even though it was nine or ten in the morning, Harry's blatant knocking would not interrupt Tierra's lessons.
"Tierra, it's still that matter from before—the Malfoy matter," Harry said anxiously.
"Sigh, fine. Come in." Tierra stepped aside and let Harry in.
"Tierra, I'm ninety-nine percent sure that Draco Malfoy wants to steal the Philosopher's Stone you worked so hard to create," Harry said the moment he entered the Dark Magic Classroom, before he had even sat down.
"Yes, I'm also ninety-nine percent sure that Draco Malfoy wants to steal the Philosopher's Stone." Tierra helplessly made Harry a cup of hot milk tea. "But I am an enlightened teacher, a fair and benevolent leader, and a law enforcer who distinguishes public from private matters. I cannot sentence an underage wizard without evidence of guilt or a trial, much less impose any substantive punishment. Draco Malfoy's father may be guilty, but Draco himself is merely a pathetic little thug who throws his weight around because of his father."
"But if he wants to steal the Philosopher's Stone—" Harry tried to argue further.
"Don't worry, Harry. The Philosopher's Stone is currently in the Room of Requirement. If Draco Malfoy doesn't know the correct experimental conditions, he