Blender Fiend

Blender Fiends are an unknown mob type that initially populated the First Floor, but were relocated to a lower level some 62 hours after the Dungeon opened due to concerns that they may wipe out the crawlers.[1]

Cascadia explains:

Their collective gets stronger each time they, uh, blend, and after working their way through a group of 15,000 crawlers in a single day, we’ve been forced to take action to prevent a premature extinction event.[2]

Trivia

  • In later books, the term "Collective" generally refers to brain-worm parasites and hive minds such as the Apothecary.

References

  1. Dinniman, Matt. Dungeon Crawler Carl (Chapter 20)
  2. Dinniman, Matt. Dungeon Crawler Carl (Chapter 20) (pp. 162-163). Dandy House. Kindle Edition.