The "Brain-Eating Gu" was a type of gu insect that enjoyed feeding on human brain matter and could control a person's body.
The gu insect on Li Yan's body was at most third-tier. Trying to control a Void Refinement cultivator with it would be nothing but courting death. With a casual sweep of Divine Sense, the other party could wipe it out so thoroughly that not even ashes would remain.
But the current Qiu Yu not only had all his cultivation sealed away, he was also completely unconscious.
By stimulating the other party's brain, this gu insect could make Qiu Yu perform simple movements and speak. There would not be much of a problem with that.
Li Yan's two seemingly illogical questions just now had actually been him asking and answering himself.
Through his mind, Li Yan controlled the "Brain-Eating Gu," making it answer and act according to his intentions, to see whether everything would match.
At the same time, he had to keep the "Brain-Eating Gu" firmly under control and forbid it from devouring the other party's brain matter now. Through their mental connection, he told the insect that it could only feast on its prey once everything was finished.
Though this "Brain-Eating Gu" was anxious, it did not dare disobey Li Yan's command. It was a gu insect Li Yan had refined, and disobedience meant only one thing: death.
Li Yan had many methods to control the unconscious Qiu Yu, such as sending a wisp of his Divine Sense into the other party's sea of consciousness.
But whether it was speaking, walking, or displaying different expressions and reactions, Li Yan would have to guide it all at every moment. It was nowhere near as convenient as using the "Brain-Eating Gu."
As long as Li Yan transmitted orders to