"Hahaha, since it is called a Mother Gu, as its name implies, it must have an Offspring Gu.
"And its Offspring Gu is called the Blood Refined Killing Intent Offspring Gu! They are the blood-red tea leaves inside this Blood Refined Killing Intent Mother Gu."
"The usage of this Blood Refined Killing Intent Mother Gu is quite simple. Push your spirit essence into the teacup, and the Blood Refined Killing Intent Offspring Gu will be produced. During this period, you only need to pour a large amount of fresh blood into it.
"And the function between these two Gu worms is equally simple. You just need to feed someone the Blood Refined Killing Intent Offspring Gu and ensure that it's in that person's body!
"Then the person holding the Blood Refined Killing Intent Mother Gu can completely control the will of the individual that the Blood Refined Killing Intent Offspring Gu is parasitizing.