This is a work of fiction. All the characters in it, human and otherwise, are imaginary, excepting only certain of the fairy folk, whom it might be unwise to offend by casting doubts on their existence. Or lack thereof.
Nonviolent action does not have to get others to be nice. It can in effect force them to consult their consciences.
Yes, hell exists. It is not a fairy tale. One indeed burns there. This hell is not at the end of life. It is here. At the beginning. Hell is what the infant must experience before he gets to us.