After Tierra showed Hermione the instability of the "Divine Sorcerer's Stone".

Hermione no longer asked questions, but fell into deep shock and contemplation.

After an unknown period of time, Horace Slughorn seemed to have finally reached the final stage of boiling. Horace Slughorn drew out his wand, and waved lightly at the liquid suspended in the air—

The color of the liquid changed instantly, from mixed silver gray to bright red, and then to translucent orange red.

After Horace Slughorn saw the change in the solution, he quickly took out a test tube from his pocket, waved his wand, and filled the translucent orange-red liquid into the test tube.

"Ah, Tierra." Horace Slughorn, who finished refining Alpha-36 solvent, finally noticed Tierra and Hermione who had re-entered the Room of Requirement, "Look."

Speaking of which, Horace Slughorn shook the test tube containing the translucent orange-red liquid in his hand.

"Great, congratulations, Professor Slughorn." Tierra clapped softly and said, then turned sideways, pointing to Hermione standing behind her, "Hermione Granger, I think you There must be an impression."

"Ah, yes, yes, Miss Granger," said Horace Slughorn, laughing.

"That's right, I think Hermione's calculation level is already capable of doing some simple calculations in the process of refining the Philosopher's Stone." Tierra said with a smile, "And Hermione also plans to participate in the general enrollment of the University of Magic in a few years. Exam, I think maybe you can take her with you... um... let her help you."

"What? Another, another, another, another, another?" Horace Slughorn asked in shock.

"Tierra...Look, I, I will teach Harry's Occlumency in the future...Hermione, although Hermione is excellent, but...But...But she still has a lot of distance from getting started...Later stage Maybe it will make me a lot easier, but...but it requires me to consume a lot of energy in the early stage...and in case there is something wrong with her calculations..."

Although Horace Slughorn didn't finish his sentence, both Tiera and Hermione understood what Horace Slughorn meant next.

"It doesn't matter." Tierra said with a smile, "Just send Hermione a task, and then let her watch your refining process, and I will check the calculation after she calculates."

valley fall

"But Tierra... my time is really tight..." Horace Slughorn said again.

"Okay, okay." Tierra seemed to give in, "Well...Harry, you can see that it's about the same. Anyway, with me watching, Harry is unlikely to have any serious problems...or you Look at those professors in our school who are also good at Occlumency, you can ask him to help teach it."

"Okay, okay, then there's no problem." Horace Slughorn breathed a sigh of relief as if he had been pardoned.

"Then, Professor Slughorn, please." Tierra said with a smile.

"No problem, no problem, Miss Granger is talented and gifted." Horace Slughorn rubbed his hands and laughed like a happy big seal.

"Then Hermione will leave it to you." Tierra said with a smile, "You can take her around our laboratory first, introduce the general process, and some basic principles... I have already completed the calculation process in the last semester. She has been trained, you can just send the task directly."

"Okay, okay~lightnovelpub.net~ Horace Slughorn said.

"And you?" Horace Slughorn asked strangely, "what are you going to do?"

"Oh... Hogwarts has a visitor, and Dumbledore needs my help to receive it." Tierra said.

"Don't you have several Tieras?"

asked Horace Slughorn strangely.

"This Tierra must be received as a student Tierra." Tierra said with a smile.

…

Thirty minutes earlier, Sirius Black had emerged from the fireplace of the Three Broomsticks pub in Hogsmeade, and had asked the Hogwarts doorman to see Dumbledore.

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