I hope it does not come down to vengeance, too. I hope and expect that it will not. That would be a last resort. If there is some peaceful solution, I am all for it. But yes, we should be prepared.

And if Jon was prepared to fight zombies in his world, he may be willing to fight a demon in this one, if he must. He is a brave man, and I feel certain that if it happened that you were attacked while he was with you, he'd do all that any human being could do, to protect you.