"From my world ..." Jaime trailed off as she thought about that. With the recent influx of her-verse witches and wizards, she wasn't sure she had a perfectly accurate count. "Um. Fifteen? Twenty, maybe? I don't know. A lot of people showed up recently from my world, like it's the train's new favorite reality."
She undid the spell once he stepped back onto the tile again. She watched as the stone faded out and water took its place. Or it transitioned back into water. Or whatever it was doing.
"But there are other kinds of magic users, and I don't actually have a tally on those. And you have to figure, for every ten that are out, there's still one pretending to be a completely average human with no powers to speak of." She had her suspicions about a few people on board, but maybe she was just getting paranoid in her train seniority.