Of course, not everyone was willing to enter the spacetime passage.
Some people also tried to enter other worlds.
They felt that the Nine Domains World had already reached the brink of collapse and sought to break through the world barrier to escape from this place.
But their thoughts were destined to be wrong.
Leaving aside whether they had the strength to break through the world barrier, even if they did, the universe beyond was not somewhere they could wander freely.
Even Xu Zimo had to take this into consideration.
After all, different scenes and environments represented different spacetime.
For example, there was no air or gravity within the universe.
No matter who wished to fly or walk through the void within it, they had to endure different rules.
Ordinary cultivators found it extremely difficult to fly in the universe at all.
Even powerhouses like Xu Zimo could only fly for a short period of time.
It was much like traveling from the Nine Domains World to the Giant Realm.
The distance between two neighboring worlds was roughly manageable.
But for farther places, such as from Underworld King Star to the Nine Domains World, one had to construct a World Will Bridge.
It required the consent of both worlds.
This was currently the only way to travel between worlds.
From Great King Qingzhi's words, Xu Zimo also came to understand.
Whether it was those warships or the giants themselves, they could only fly over short distances.
On the contrary, Great King Qingzhi had never heard of anyone truly crossing the universe with their physical body.
That was impossible.
Not even the Underworld King could do it.
The Underworld King was already a Heaven Realm powerhouse.
He was the strongest existence Great King Qingzhi had ever seen.
If there was truly