Nine Layers of Divine Refining Coffin

One coffin, one world. Liu Xin'an came from the lower realm, holding a nine-layer black coffin in her hand, "Today is rainy and it is an auspicious day for burial. Please sort out the remains and put them into the coffin in order." With the nine-fold coffin in hand, I have the world! The patriarch bows his head, and the demon emperor surrenders; when he goes out, he is surrounded by goddesses, and when he enters, the empress serves tea...