Ling Han taught the Turbid Heaven Scroll to the empress, Hu Niu, and the large black dog. Though the cultivation technique they were presently cultivating was of a higher level, it was still necessary just in case. If they advanced into Cauldron Forging Tier, yet did not have a corresponding cultivation technique to cultivate, then what could they do?
For example, Ling Han. At present, he could only switch to cultivating the Turbid Heaven Scroll, because the Foundation Building chapter of the Ancient Sun Divine Scroll was already insufficient for him to continue cultivating.
He decided to cultivate in seclusion for a few days to fully comprehend the Turbid Heaven Scroll. He also had to grasp the newly obtained Destructive Energy Spirit Diagram.