"He is here," replies Igor, with that startlingly high-pitched voice. "Altered, but still here."

"Altered?" asks Morgana, ears going back. "What do you mean, altered? But, wait, that's not what we really want to know. Is he safe?"

Because if Frog was made a child, suddenly, he could be anywhere. He could be lost in the city. And that's without going into all the other things changed could mean.