Lin Bei was drained of strength as he sat on a stool, resting with his eyes closed.
There was no record of Gu poison in all that he had learned.
Gu was a type of poisonous insect, extremely complicated to cultivate.
In his understanding, raising a Gu insect was quite troublesome, requiring the capture of many poisonous insects to feed together.
These poisonous insects would fight each other to the death, and the one that survived to the end would become the Gu insect.
And different Gu insects had different effects.
He was not clear about which type of Gu insect he had been infected with, but he knew that there was nothing unusual about his body that any instrument could detect.
The reason he felt so weak was that his blood vessels and bones were filled with Gu insects.
These Gu insects were affecting his bodily functions, and as long as he could expel these Gu insects from his body, he could recover as usual.
However.