At this point, it could be declared that the experiment had failed; logically, Chu Xuan should kill Pei Shurou to silence her.
However, over the years, he developed some feelings for Pei Shurou and even felt a sense of guilt deep inside.
Moreover, with the ongoing intensification of the battle between good and evil, Chu Xuan wasn't even sure if he could escape unscathed himself, let alone take care of those around him.
So he resolutely sent Yun Ni Fairy back to the Purple Heaven Jade Mansion, ignoring her tears, refusing to leave no matter what.
Chu Xuan originally thought that that would be the end of it.
He later learned that Pei Shurou might have been mentally stimulated, and surprisingly, she gradually regained her memory over the next decade after returning.
