The abrupt appearance of the Fire Seed and that faint "thank you" left Xu Changsheng in surprise.
Combining the clues he had so far, he quickly started thinking!
Currently, there are several rather serious issues.
First: Why do all these people have Fire Seeds in them?
Second: Why do they say "thank you" after being killed?
According to Different Dimensional Space theory,
The reason a Different Dimensional Space hasn't collapsed is because of certain rules and orders inside the space that prevent its destruction.
However, the order of this space seems a bit strange.
According to the passage of time,
Although Xu Changsheng did not know when the Old Calendar ended, it was already the year 2021 according to the New Calendar, which meant at least two thousand years had passed.
But here, all the infrastructure remains undamaged; even after so many years, no plants have overgrown the skyscrapers, and no buildings have collapsed...