What are the five positions of ancient stone tablets?

The first stone monument, on the stone bridge behind the island in the lake.

For the second stone tablet, there is a relic machine next to the sacrificial box, and behind it is the second stone tablet.

In the secret cave on the first floor below the third stone tablet and the Seven Heavens Statue.

For the fourth stone tablet, go to the first transmission point on the left side of Mianlong Valley. After unlocking the mechanism here, go below and you will find the fourth stone tablet.

The fifth stele is at the transfer point on the left side of Xingying Cave. There is such a square place. After cracking the mechanism, the fifth stele is hidden under the stone wall in the lower left corner.