Chapter 1175 Star Sea Wanderer
(The previous chapter was modified; if you read it early, please read it again.)
Although during the standoff between the Alliance of Thousands of Immortals and the Five Elders Organization, the development of various technologies on both sides was not slow, with numerous methods emerging endlessly.
However, this rapid development period lasted for less than three thousand years. Since the Great Calamity when the path to immortality was severed, for tens of thousands of years, the Xuanhuang World had mostly been embroiled in mutual slaughter and strife.
Civilization did not advance but regressed.
"If my guess is true, then it's hard to believe how wide the gap between civilizations inside and outside the high walls could be."