After hearing Lu Chen's words, Cao Shiyun said worriedly, "Then we should return to the Mysterious Moon Palace now. If some scheming Immortal Sects discover your presence, they might take action against you."
If it's really as Lu Chen said, that the reproduction between mortals and Immortals has returned to normal, then wars between the Immortal Sects are inevitable. The first thing each Great Immortal Sect would do is to recall their disciples and prepare actively for war.
As a Direct Disciple of the Immortal Sect Master, Lu Chen is certainly a primary target for enemy forces. If the opposing forces of the Mysterious Moon Palace learn that Lu Chen is training outside, they might dispatch some powerful individuals to hunt him down.
Lu Chen said, "Senior Sister, don't worry. Did you forget I have the Life-saving Treasure given by Honored Master?"