Chapter 1898 The entrance to the Lingyin Cave of the Emperor of Heaven is indeed very secret.

Thousands of miles up the river is its source. Countless trickles of water gush out of the steep cliffs full of holes and honeycombs and converge to form the river.

On the cliff, there are tens of thousands of holes.

Every hole contains a small fairy array. Only by following certain rules and attracting hundreds of fairy arrays, can the entrance be opened.

Even Tang Huan, who has strong ability to spread and sense, has to admire the predecessor who condensed the "Lingyin Cave".

However, Tang Huan estimates that the reason why the...