By the way, there are no echoes, and I even confirmed that there is no hidden floor.
Naofumi: “What’s strange about it?”
Firo: “It’s a living creature.”
Naofumi: “Of course. We’re inside a mountain on the back of a giant monster.”
Firo: “That’s not it!”
Firo smacks her foot on the floor again.
The floor ripples with a boing sound.