The group walked for a full half an hour. According to the distance, they had already gone deep into the mountain, and in front of them was a very wide space.

A pool of water appeared in front of everyone. The pool was very large, about the size of a small artificial lake. The water was as black as ink, and faintly exuded a faint chill.

There was a small island of about ten square meters in the middle of the pool, where a black lotus was ...