Pinhead- Multiplying Wounds

  He pulled out his weapon and followed suit. Caz took a swing, slicing the seventh forearm of an enormous granddaddy of a demon. The beast clutched at the wound with four of his hands, but the gauze was not enough to stanch the wound. From underneath the cluster of fingers, the demon’s flesh unfolded itself, devouring muscle and bone from top to multilayered bottom.

  Harry and his group of Harrowers hacked and slashed their way through the bulbous throng, needing only one wound to stop each adversary. There were none among the demons who were granted immunity. They all went down, young and old alike falling, their bodies wracked with spasms, reaching with desperation to catch hold of the killing mote but never far enough to seize the enemy at its work. In a short time there were dying demons lying everywhere, a dozen deep in some places, sprawled over one another: a mass of bodies in the process of self-skinning, pools of blood rising between them all.
...
  “Whatever was making that happen, it didn’t seem to care whether it multiplied appendages, or wounds. Its mission was simply to divide and conquer. The second we opened a hole in those things, the working did the rest for us.”

-The Scarlet Gospel, BOOK TWO, Chapter 16