"It's simple,"
"You have been isolated from the world for ten thousand years. In that time, seas have changed into mulberry fields. You need information from the outside world, and since the wraiths have grown weak over ten thousand years, you also need a lot of time and ample space to infect and transform living beings into wraiths, and I can provide you with what you desire."
As he spoke,
Xu Yuan gestured toward the ceiling, his voice, infused with Origin Qi, echoing with intent:
"Ten thousand years ago, you wraiths invaded from the vast deserts in the south, wreaking havoc for a time. Our Sect alliance was forced to retreat step by step, even to the point of being driven back to the ice fields in the north. Even the location of this Underground City was constructed underneath the ice fields of the Northern Frontier, which is where the Barbarian Tribes are now."
Luo Xiran's voice carried a trace of cold laughter:
