C471 Into the Tombs at the Bottom of the Western Sand Sea

They thought the thing was gone, that there was nothing there, but then they saw an unknown creature swimming toward them, and they turned and swam quickly, but the stone door behind them had closed at some point, and they looked for a trap.

What the hell is that! Fat Wang

'How would I know what that is?' Wu Xie

After the two of them finished talking