I saw something, but I was more worried about the marks on the wall.

[It seemed more important.]

I don't know what could crush the crystal so easily, but it's bound to be strong.

[The sound grows louder as they head through the caverns. Scritchscritcscritch - scraaaape. Scritchscritcscritch - scraaaape. Ryu tries to run through what he might know... someone from the Earth-Eating Tribe? But they're not this big. He sees movement in the distance, though it's too dark to make out any shapes. Just black on black further down the tunnel.]