Before figuring out some things, Han Dong didn't plan to squeeze his body into the umbilical cord and delve deeper.
At first, he just wandered aimlessly on the surface.
Thanks to the period of familiarization provided by the Gray Walker, Han Dong had suppressed his fear of 'Absolute Prison' to the lowest point, and was basically able to move freely without sensing it.
During the long wandering, concerns about external threats gradually faded away.
On the first day, Han Dong was still somewhat cautious, often stopping to sense the surroundings.
On the second day, he was indifferent, perhaps only being mildly cautious or checking for bodily harm every two to three hours.
By the third day,
Han Dong had completely transformed into a solitary wanderer, strolling freely in the surface area.
When concerns about the outside world were reduced to [zero], the world became exceptionally quiet, reaching a state of tranquility never experienced before in life.