Concept: You have always loved getting dirty and digging around in other people's filth.  Those who have sided with The Grimm offer a handsome bounty for those willing to harvest wurms from the bodies of the fallen.  You're made a decent living for  number of years doing just that, and your damn good at it.
Content: Class
Writing: Brian Colin & Ross Brandt
Art/design: Brian Colin
Source: Vast Grimm Core Book