You Were Asked to Go Undercover, but You Became the Master of the Demon Sect?

Lin Qiu traveled through the world of cultivating immortals, but found out that he was an undercover agent placed by Zhengdao in the Demon Sect. In order to save his life, he had to lurk and carry out undercover missions while practicing. In the first year, "Sir, the news I sent back this time saved the lives of more than a thousand disciples of our righteous path. Can I go back?" Tenth Year: "Sir, many brothers have been arrested recently. When can I go back? I... I'm not scared, I just miss my hometown a little." In the 30th year, "Sir, the talents of the Demon Sect have been withering recently. They want to elect me to be the Holy Son, and the Demon Sect's skills are practiced very quickly. My lord, something will happen if I stay here any longer!" The hundredth year, "News? What news? Are you an undercover agent of our sect? Come on, get him!" …