C796 I already understand

The reason why Chu Yun's face had such a big change was because he felt a strange aura from the cabin.

This fluctuation was very slight, but it disappeared in a blink of an eye.

Even so, it was still caught by Chu Yun's sharp senses.

Logically speaking, this sunken ship was hidden deep in the mud, there shouldn't be any aura inside.

Chu Yun turned his head and indicated with his hand