[Sebastian chuckles softly. What a charming answer. So intelligent, too. All right, so as a demon he's shady and untrustworthy, is he? Well, then. Sebastian had a secret in mind, but now he reconsiders which one to tell:]
Well, this is not something I had planned to mention to anyone lest it be taken the wrong way - and I do implore you to please not take it wrongly - but as for a secret to tell...
Not only am I permitted, but I am encouraged to annihilate angels upon sight.