The Mortal Calamity of the Nine Heavens Immortal Lord

In my previous life, I was a Nine-Heaven Immortal, but I was betrayed by my disciples, and my body and soul disappeared. In this life, I am reborn as a good-for-nothing mortal, vowing never to become an immortal. Unexpectedly, the enemies from the past life came to the door one by one, kneeling down and begging for mercy: "Master, we were wrong!" I looked at him coldly: "The affairs of the world of immortality have nothing to do with me." Until that day, I met her - the devil's saint who blocked a fatal sword for me in my previous life. She actually reincarnated into the silly junior sister next to me, chasing me every day and shouting: "Senior brother, teach me how to become an immortal~" I helplessly raised my forehead and said, "Junior sister, I really don't know how." As soon as he finished speaking, the calamity clouds rolled in the sky, and the Nine Heavens Divine Thunder suddenly fell...