[ It seems like there must be something beyond what Shadow has already said that spurs his words, but if there is, she cannot name it. She can understand the impulse to control things related to oneself, though. ]

If the Doctor speaks aright, they are clear of any such evil, so I suppose there is no harm... [ Thomasin knows he needs no reassurance of this; she's just kind of spinning her wheels trying to come up with something to say. ] Besides, 'tis your likeness. None else hath claim over it.

[ ... ]

I am sorry, Shadow. He deceived us all.

[ sure, she didn't like him at all and knew he was bad news, but there's a broad gap between that and Literally Satan ]