Thanatos stills, no longer following. If only he could just turn off his emotions... but the fear and caution seems to only grow stronger. She could be dangerous. Don't confirm anything. Don't let it get out. She can't know. This is different than telling Persephone and Ryo; he knows, trusts them with the information of what happens when Death is trapped. He doesn't know this cloaked passenger before him.

So he does the only thing he can think of in order to keep that secret safe.

He shifts to whatever end of the train is furthest from their current location.