"As I told you just now, the Chiyou Ring is the key to opening the gate of the Luchen Continent. However, this key cannot be used at any time or place. The key can only be used by the Holy Maiden, and in a Holy Maiden’s lifetime, it can only be used twice: the first time is when she puts on the Chiyou Ring, and the second is when she takes it off."
Yan Weichi thought for a moment and suddenly said, "Hua Yu once told me that I could only take off the Chiyou Ring after I died. So, you confirmed that Mu Lingfan was dead only because you saw the gate of the Luchen Continent open again?"
The red fox nodded and replied, "Yes, that is correct. When the gate of the Luchen Continent opened last time, we should have returned. But even though Mu Lingfan had passed away, I still wanted to find her whereabouts. So we stayed behind and began searching for the traces of the Chiyou Ring. The Chiyou Ring is divided into two rings, Yin and Yang. When it hasn't found its next master, it mostly remains at the boundary between the living and the dead. And among you humans, the boundary between the living and the dead is..."
Chapter 386