After the Sky Swallowing Gu returned to Zhou Feng's body, it immediately began providing massive nourishment in return.
Countless warm currents flowed through his entire body as his flesh, blood, and vital essence began recovering frantically.
The flesh and blood that had previously been devoured by the Sky Swallowing Gu returned to him in another form.
Moreover, the Sky Swallowing Gu had become a filter in the process, making the blood qi it returned even purer.
And now that he had left his mark on the Sky Swallowing Gu, he could forcibly compel it to continuously return blood qi.
If this had happened before, the Sky Swallowing Gu would never have willingly provided such massive nourishment.
For selfish Gu insects, they would only choose to return one portion after devouring at least ninety percent for themselves.
Now, Zhou Feng had not only successfully opened a Gu Aperture but had also established a connection with the Sky Swallowing Gu.
That was why he could force the Sky Swallowing Gu to provide massive nourishment, changing the previous nine-to-one division into an eight-to-two split.
The Sky Swallowing Gu took twenty percent, while Zhou Feng himself received eighty percent.
It was also because of this distribution that he quickly experienced the wonders of Gu cultivation.
His body was undergoing a frantic transformation, and the rate of this transformation was even faster than when he cultivated the Heaven Swallowing Demonic Art in the outside world.
Whenever his body encountered a bottleneck, the Sky Swallowing Gu within him would always forcibly return even more pure blood qi, helping his body transform.
The Sky Swallowing Gu had taken the place of Zhou Feng's heart, distributing blood qi through the violently beating organ.
Throughout the process, Zhou Feng did not need to expend any effort at all. He