They still lived in the cave they had used to evade their enemies, only this time they had expanded it with two more stone chambers, furnished with all the necessities of life.
After Xie Xingchen's wounds had healed, he often went to cultivate in the dangerous river.
Lu Mingshu had never asked about his specific circumstances, but she knew that within the Devil Nature the Demon Emperor had left him, there were some very unique things. For example, he said he knew the way back—that "back," of course, referred to the world the Demon Emperor came from. In addition, he seemed to know some cultivation techniques.
Once sober, he destroyed the Emotion Severing Saber and no longer used the Star Life technique, instead integrating his original techniques into one, dominated by the Devil Technique.
Now, in some worlds, he would undoubtedly be called a Demon Cultivator.