Zhang Yu watched the long rail. It was in fact an enormous magical artifact. He could tell that it had not been pieced together from countless small magical artifacts, but forged as a single whole.
That alone showed that Upper Layer cultivators must have been involved, and that the craftsmanship had already become highly mature.
Ordinarily, if a lower-world realm had not yet evolved to the point of producing Upper Layer power, it was understandable for the progression of time to differ from Celestial Xia's. But once it possessed Upper Layer power, for its temporal sequence to still remain out of step with Celestial Xia was highly unusual.
He suspected that this was very likely the influence of the Pure Spirit Abode and the Great Chaos.
A region tainted by the Pure Spirit Abode could not be regarded as an ordinary ordered realm. Fragments of future and past interlocked with one another.
If there were a realm containing fragments of the future, yet not wholly complete, it could be isolated from developments beyond the world. But once the barrier between the two was broken, some profound and even mature arts would flow into the world, driving its advancement.
Yet the likely result of this was that the strong places would be exceedingly strong, while the weak places would be exceedingly weak.
What made matters more complicated was that this was merely the influence of the Pure Spirit Abode. If the Great Chaos were mixed in as well, then any sort of variable could arise.
Of course, these were only his conjectures. As for this world's true circumstances, he would have to see them with his own eyes to know.
As he pondered, he saw the long rail in the sky slowly begin to turn. Strands of light shone in his