No.

[ Bambosh attacking the train would spell a disaster for everyone, anyone. Fire tornado? On a train? No thanks. ]

But if you notice, they can disappear and reappear from one place to another if they wanted to. Magic works in strange ways. I just thought they might be able to get through, connect with the train the way they've done with you and Inigo. [ It won't be seen, but he shakes his head. ] Nothing.