Who would have thought these Taishu Daoist ancestors were serious.
It wasn't as simple as them just sensing the existence of the system. Judging from Xu Ziqing's experience, to some extent, the Luo Sect already had mature technology to observe Earth from the other side.
It is possible that the Daoist ancestors led by the Thousand-faced Immortal only lacked a door to the past.
When you stare into the abyss, the abyss stares back at you.
Putting oneself in their shoes, if he were the system on that Earth and found out that the monsters and demons of another world knew of his homeland and were even seriously considering a visit, he would be creeped out too.
However, according to what Xu Ziqing said, that world had already widely utilized things like orbital elevators, world rings, intelligent humans, and virtual glasses—items common in science fiction novels.
