"If you're like my own roommate and have a way to get through walls, the train's practically your oyster," she went on, closing out of the roster page and just letting the default 'Today is Day 16 of Imagination' screen sit for a minute.

"Just... not the engine. I've seen people try it, it's no-selled a lot. Ghosts, if you've met any. Sheer energy blasts. Even mundane cutting tools."