C631 Ice and fire

In the team, the two bosses had their own opinions. One of them believed that the sound of water originated from the waterfall, the other from the underground river. Although they had different opinions, they all had one thing in common.

"Since it's hard to be sure, it's fine. I might as well go deeper in. Maybe I'll be able to tell once I get farther away."

Sa Lin suggested his own opinion