She considers this thoughtfully.
The obvious answer is that there’s no reason anything would happen to anyone else, if she tried to eat him and, somehow, failed.
But…getting creative…if she were imagining things that might be “the thing that goes wrong” if something were definitely going to go wrong…
The obvious answer is that she would eat something else, if whatever wards he has made her slip off instead of just gnawing ineffectually on them.
So, how would she prevent that?
“…Bring me somewhere even more isolated and cast some sort of ongoingly magical effect around the two of us,” she decides. “Like, a reasonably strong one. By your standards, not normal people standards.”