```
Over the next several days,
Xu Nian led the Bull Demon King and Xia Bingling toward the Imperial Capital.
However, this time, they did not fly but walked.
Xu Nian knew that although walking would greatly slow down his speed of reaching the Imperial Capital,
it allowed him to cultivate while on the move.
First, Xu Nian used the Gravity Ring to apply nearly two hundred times the force of gravity on himself.
At first, Xu Nian found it extremely difficult to walk under two hundred times gravity.
But as he persisted, he gradually adapted to the immense force.
And with the blessing of this gravity, the operation speed of his Divine Demon Refining Body Technique became even faster.
He was even absorbing the Heaven and Earth Spiritual Energy constantly.
While walking, he pondered the heavens and the earth,
creating his own more powerful methods of attack.
Like Xu Nian's continual exploration into the Wind Attribute Profound Argumentation,
