Many years had passed since then, and only a few cultivators of the older generation knew about this matter.
There were also sporadic records of this matter in the allusions of the advanced buildings.
As time passed, the past was gone. The memories of history had been buried by the wind and sand, and would not cause any waves.
If Tang Zhen knew about this matter, he would definitely be on his guard.
This was because this national-level city that had defeated millions of mercenaries was actually not too far away from Holy Dragon City.
With such a strong but low-key neighbor, it was inevitable that people would feel uneasy.
As time went on, the Holy Dragon City would definitely attract the attention of the black prison tower.
Only the heavens would know what would happen then.
At this moment, the Holy Dragon city's walls were silent.
