C2375 Evenness of Night Diagnosis

One by one, Shi Lei began to treat the villagers' illnesses until late at night. As he lay in bed, he thought about the uses of these Dragon Caterpillar Grasses and how to get rich with them.

The dragonfly grass was a good thing, no doubt about it. How could it be turned into money?

The dragonfly grass was supposed to cure a hundred poisons, but in this society