"Eddie. Good to meet you, and I'm sorry you've been trapped aboard the Eterna with the rest of us."

Skulduggery used to spend more time addressing his skeletal self, but lately he's found it easier to just... throw new people into the conversational deep-end, and see if they can paddle to the surface. That's why he skips the explanation of his magically-based reality in favor of approaching the mirror himself.

"Now, here's a question for you: if you were a shade trapped in the mirror of a haunted cruise ship, what would you be trying to warn the living about?" If they're warning them at all. He can't quite make out what they're saying from here...