Could be the demons, who want to dominate the humans? We just haven't seen them yet. :/. Well, at least, this story is telling us that both humans and demons are at fault, but not all of them are bad or good.
Except for Lispen, who keeps thinking King Rood is going to go along with his plan. Lispen may go round up some bad demons or something? (Also, those yellow eyes are Lispen's "mind control" over Orphell.)