Final Quest

You walk into the room, and the first thing you notice is a stream of water.
Behind you, Torai shifts uncomfortably. "This is not natural," he mumbles. "Streams of water should not be inside."
Alasse nods her agreement. "Can we leave?" she begs you.
"In a moment," you reply, your eyes fixed on the stream. You think you can almost make out a shape underneath the water... But you can't tell for sure.
What do you want to do?