User blog comment:Sentry 616/A Vicious Circle/@comment-27425734-20160405165116

I've seen similar ideas to this in a couple of Fanfiction. I remember there was someone I think on the Grimm page who mentioned a Fanfic where Grimm are actually the remains of humans zombified, or something like that. But, isn't there nothing tangible left behind after Grimm dissipate?