What does a nine-tailed fox fortune teller want with a fox bead?

It has the function of prolonging life. According to the TV show of Korean dramas.

1, the mirror reflecting the moon on the fox beads is the four instruments used by the four mountain gods to protect everything. Fox beads should have been used to protect the world, but Li Yan gave them to Zia, so Baitou Mountain fell.

2. The play tells the story of Li Yan, a nine-tailed fox with a thousand years old, who voluntarily gave up the seemingly powerful iron rice bowl of the mountain god and went to work in the parliament of the undead to exorcise demons for the world.

3. The Story of the Nine-tailed Fox is a fantasy love drama premiered by tvN TV in South Korea. The film is directed by Jiang, written by Han Youli and starring Li Dongxu, Cao Baoer.