C612 Together in and out of the brook mirror

The Fallen Brook Mirror, what kind of place was this? It was the peak of the entire Northwest Desert, and anyone who could enter it to cultivate would be at the apex of the Northwest Desert.

Naturally, being able to cultivate inside was a dream come true for all. Many man of the Northwest Desert only knew of the Falling Stream Valley, and their goal was to go there to cultivate. However