C371 The Truth of 30000 Years ago

Of course, this was a good place. Hai Yushu first spent a lot of energy to completely transform this city into a strong battle fortress. Then, he used all his effort to lay down a massive amount of magic formations. If Hai Yushu was in his place, he would have to die here.

However, it was not over yet. Hai Yushu's greatest effort was to set up a divination formation here