C737 Yin yang water discovered?

Three months later, Ling Yun and the Roaring Snake King appeared on a small island in the cold sea.

"Young master, there's nothing we can do even if we keep searching." In front of Ling Yun, the Roaring Snake King had turned into a human and said with a bitter face.

If anyone who was familiar with the place saw the Roaring Snake King acting like this