Sure there are monsters, but in truth, most of what we are calling monster behavior is simply someone doing something stupid for stupid and innocent reasons. It's just poor judgment, not pathological. There are actually very few monsters.
Targets are stuck between a rock and a hard place, right where the Narcissist wants them to be, damned if they defend themselves and damned if they don’t BUT basically isolated and defenseless.
After Narcissistic Abuse
127: Monkeys in the Middle
I've gone to lengths not to put people in the middle of my situation. I don't want anyone else to carry my water.