Board Thread:Speculation House/@comment-25555436-20150726193923/@comment-25396609-20150727055636

we also don't know how the negativity thing works. it's possible Remnant has some sort of universal morality and violating it creates ripples that attract the grimm.

for reference; when i say universal morality i mean sort of like the concept of a universal truth that a person who always knows when a lie is being told would be tapping into.