How many chapters did Chamberlain tell Fan Ye about the Emperor of the Wilderness?

This story comes from chapter 1820 of Covering the Sky.

According to the introduction of the starting point novel network, "Covering the Sky and Covering the Sun" is a classic Xianxia-style online novel serialized at the starting point, written by Chen Dong, and has been completed at present. The work takes the coffin pulling in Kowloon as the introduction, which brings out a vast fantasy world and leads to the secrets of ancient myths. It is huge in size, complex in setting and numerous in characters.

This chapter is about the dialogue between Zhang Bai-ren and Fan Ye, talking about the perfect world, also known as immortals. Chamberlain sighed and said that only one barren emperor became immortal, and the barren tower was his weapon.