Its

all that terrible a weakness. The thing truly was like some enormous, slime-streaked centipede, and its body was covered in hard, horn-like armor.
"The belly, Bahzell." Vaijon's almost conversational voice carried through the hideous cacophony of battle with unnatural clarity. "We've got to get at its belly."
"Belly, is it?" the Horse Stealer muttered. Vaijon might well be right, but just how did a man go about getting at a centipede's belly in a tunnel without being swallowed on his way past?
There didn't seem to be a good answer to that, and he was still looking for one when the thing became aware of him. Its first victim had disappeared down its maw, and its head swiveled, pointing at Bahzell. Mandibles clashed, clacking together like snapping tree trunks, and spittle drooled from its fangs. And then it heaved itself forward, with a deceptive speed which looked far slower than it truly was.
Its front end reared up, brushing the roof of the passage. The movement exposed its thorax, but only briefly, and then it lashed down like an earthquake.
Bahzell darted aside, grateful that he and his men had at least reached a wider spot which gave him room to dodge. The blunt head slammed the floor with an ear shattering clash, and stone shards flew as the mandibles drove into it, but Bahzell spun on e