C836 Plan and Arrangement
Su Yun only found out after conversing with Tai Xuan and the others. It turned out that he wasn't the only one who knew the exact time of the apocalypse, these hidden sects had already known about it!
The reason was that the sect protecting secret treasure of Dao Sect, the Profound Heaven Dao Mirror, was a true Dao Artifact. It had the ability to predict the future