章節 815: Flaunting So Much Until the Scalp Turns Numb!

"I don't dare to guarantee that I'm the only one who knows about this plant. But the ancient books that have recorded it wouldn't exceed the number of fingers in your hands. And even those who might know of it might not have discovered its value. Or even if they did, they definitely wouldn't announce it publicly."

Sun Mo was very confident. After all, the rewards from the system did have a guarantee in their quality.

Wow!

The eyes of the students brightened. Although they didn't know whether they could earn money or not, being able to learn such rare knowledge was already a form of wealth itself.

Wanyan Zhenghe suddenly felt extremely unhappy when he saw this. Hence, he couldn't help but speak out and question.

"Teacher Sun, even if this plant is everything you said it to be, but if everyone knew of it, wouldn't that mean that I can't make money out of it anymore?"