Everyone, including Deputy Director Grien who had been absent from beginning to end, was extremely delighted with the outcome.

On the other side, Luo Yan took a "Goliath Car" to the East District of Demon City.

Almost all the high schools in Demon City are concentrated in this area, and the closer to the center, the more prestigious the schools are.

Among the top two institutions, one is Luo Yan's alma mater, Demon King Academy, and the other is the High-level Demon Academy.

Unlike Demon King Academy, High-level Demon Academy places more emphasis on bloodline; both students and teachers are either High-level Demons or High-level Undead, and it focuses more on personal combat power improvement.

By comparison, while Demon King Academy also values the enhancement of personal combat power, it also focuses on the cultivation of comprehensive abilities of the talents. Moreover, Demon King Academy does not place much importance on bloodline; even Little Demons can study there, and there are also exchange students from Goblin Chieftain families.

Before heading to High-level Demon Academy, Luo Yan first returned to his alma mater.

Partly to get a letter of introduction from the Principal, and partly to bring some special products of the Great Graveyard for his old teachers.

Recommending them to work here after the juniors graduate is also a great idea.

The Great Graveyard is really short on talents.

However, just as Luo Yan was halfway up the spiral staircase of the teachers' tower, a steely, delicate hand suddenly stretched out from the side like a tentacle trap in a maze and caught him into the adjacent office.

The office lights were off, only a semicircle of light by the window was on. Silver hair tips fell on delicate shoulders, looking exactly the same as when she just graduated.

But commendably, this time the rimless glasses were not pretentiously hanging on the half-opened neckline but properly rested on the nose.

Before Luo Yan could greet her, Professor Lillith took the initiative to speak.

"...Dear student Luo Yan, you have come from far and didn't visit your dear Professor Lillith first, do you know how disappointed she is?"

Those pairs of red eyes looked pitifully at him, and the grievous voice sounded like the singing of a banshee, causing goosebumps to run from Luo Yan's neck all the way down to his ankles, then hurried back up to his scalp.

Just as it had always been.

Even after graduation, Professor Lillith still loved to joke with him.

"Due to many unforeseen incidents, I think Professor Lillith might have heard something..."

"I know, but I don't want to hear these excuses... Moreover, I always feel you are avoiding me." Lillith's eyes grew more melancholic, her index finger drawing little circles, yet the upturned corner of her mouth exposed her mischievous thoughts.

No one knew if it was unintentional or deliberate.

From the first day he stepped into Demon King Academy, Luo Yan had been constantly exposed to Professor Lillith's various schemes, to the point that he almost became neurotic about the Enchanting Demon race, not even daring to be careless with friends.

However, no matter what, he still remembered the help Professor Lillith gave him in his heart.

That was different from the overly heavy affection.

"You misunderstood, I definitely didn't mean to avoid you. Actually, I was planning to visit you specially after visiting Principal Ai Wen."

Luo Yan took a half step back and then quickly fetched a small oak box from his pocket and handed it to Professor Lillith.

"This is a small token of appreciation... not much but a gesture."

"Wow! Is this a gift for me? I'm so happy, how can I thank——"

The fake smile froze on her face the moment she opened the oak box, and Professor Lillith's mouth opened wide as if an apple was stuffed into it, shaping into an O.

It was a pale blue diamond rough.

What was astonishing was not just its water-blue shimmer but also its hefty weight... nearly a hundred carats!

This was already a collector-grade diamond!

Perhaps because of poverty, Professor Lillith's reaction was far more exaggerated than Mia's.

She immediately dashed to the office desk, quickly took out a thumb-sized, antique-bronze cylinder, and while infusing magic power into the diamond, her eyes moved close to the edge of the cylinder to meticulously examine the inside of the diamond.

Honestly, at the sight of her actions, Luo Yan felt a bit nervous.

After all, this was not a naturally formed diamond, but "artificially" formed, and he was not sure if this object could withstand detailed examination.

Fortunately, from Professor Lillith's reaction, it seemed that this artificial diamond was indistinguishable from the natural ones.

"Incredible..." Professor Lillith exclaimed repeatedly, it took quite some time before she put away the compact cylinder, and murmured dreamily, ""Such a large diamond rough, perhaps it could sell for millions... no, tens of millions of Kela!"

Clearly, she also had no exact idea.

Luo Yan coughed lightly and said.

"If there are more, they might not be as valuable."

"There are many?!"

Professor Lillith's eyes instantly radiated fanatical light.

"Oh my Demon God, did you... discover a diamond mine?!"

The burning gaze and increasingly dense breathing made Luo Yan involuntarily step back, but unfortunately his back was already against the door.

He instinctively grabbed the door handle, which, as if coming to life, shook his hand then wouldn't let go.

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