User blog comment:PerhapsTheOtherOne/Speculative Spitballing: Gods and Meatbags/@comment-25396609-20150801230854/@comment-24891101-20150801232024

Not that there's a single religion, of course.

I'd agree they're largely secular, but I wouldn't go so far as to suggest general atheism. That tends to require an ordered universe, and given the nature of the Grimm and the difficulty of studying them, such is not quite obtained; it's too enigmatic. That's admittedly god-of-the-gaps, but the Grimm themselves also lend themselves to original sin and total depravity arguments, to use Christian theological terms.