Durability

He was tossed to and fro in the violence of that awful battle, and had a dazed feeling that he was fighting not one, but an aggregation of lethal creatures. The thing seemed to be biting, clawing, crushing and clubbing him all at the same time. He felt fangs and talons rend his flesh; flabby cables that were yet hard as iron encircled his limbs and body, and worse than all, something like a whip of scorpions fell again and again across his shoulders, back and breast, tearing the skin and filling his veins with a poison that was like liquid fire.
-	The Slithering Shadow (chapter 3)