Board Thread:General Discussion/@comment-25266931-20161228230634/@comment-14138255-20170102170440

As someone pointed out in another thread, the Grimm were created by darkness, but the humans were also created in part by darkness. When they feel the darkness in humanity's negative emotions, they are attracted to them and can then kill them.

Also, don't give kudos to yourself KINO, it's in bad taste.