成年人只需要一个one

In fact, Ji Ning and the others all had doubts in their hearts. After hearing what the black-robed Taoist said earlier, the Eternal Emperor personally arranged this formation, and also ordered the black-robed Taoist to guard it here! What is the secret here that allows a powerful Dao Lord to guard this place for a long time, and also spends a huge amount of money to personally arrange such a complex formation?...