Rabble is explaining to Rakash that it's not actually an elfs, it's just an humans with blond hairs - but Rakash's attention has already shifted from one terror to the next:

A .. a giant, firebreathing snail? A snail dragon of some sort? Oh, Darkness preserve us.

Resigned to the fact that horrible (likely flaming) death awaits, he turns to press on deeper into the crack in the wall.