Is that to me, or--probably the monster yeah? Okay. So! Since you aren't attacking him he definitely stays charmed and answers easily:

"Well I was going to take great joy in ending the lives of your little band of heroes but that just wouldn't be good hosting now would it? After all it gets terribly lonely here, guarding this old castle. It's so rare I get visits from dear, delicious-looking friends like you. Not that I'm going to eat you anymore of course, no no."

He's having a good laugh at his own sort of demon-y jokes.