Hmmm. Kind of like the glyphs in the churches back in Eden?

Zangetsu slings his sword back, where it seems to adhere to his back somehow, freeing up his mouth. He looks at the conveyer belt of pyramid rocks. Despite his emotionless mask, he seems to be frowning.

"Everything about this tunnel is funneling us deeper in. There's either somethin' really important down here, or a trap."

He pauses.

"Probably both."

Regardless, guess who's moving forward? THIS FISH.