C43

We thought we were going to dive into the water, but the snake twisted its body and shot straight into the sky!

Achilles' body went down. But just as the snake's head was about to touch the wall, a 'ka ka' sound came from underwater, followed by a 'door' opening up above, the snake's body rose straight up!

I was relieved that I was still alive.

The snake's speed was extremely fast