Board Thread:General Discussion/@comment-3257939-20140521172812/@comment-3146930-20140523022038

I'm just trying to point out that Grimm will attack people simply because they are close by and very little reason besides that. Ren was just walking and then all of a sudden King Taijitu Attack! Yang and Weiss' time in the forest had similar results as well. I'm not saying that Grimm are pure evil (Blake: "Nothing is pure evil"), but Grimm are freakishly strong monsters that seem to have a hair trigger.

The actual ethics of killing Grimm or reasons Grimm may attack is a different conversation, as this is about the Volume 2 opening.