Deep within An Jing’s mind, the Ninefold Heavenly Ascent secret art was spinning at a dizzying speed.
A tribulation, so to speak, was direct feedback from the Heavenly Dao, feedback originating from the world itself.
This feedback could be punishment, encouragement, or even a divine revelation. In short, its unchanging attribute was that it "originated from Heaven and led straight to the Dao."
Chapter 542