Elisa, tell me truly. Have you attained that kind of power? The kind that would frighten an animagus?"
"I have."
Her eyes widen and her lips part. She says to Storm, "You always speak truly, yes?"
"Yes, Your Highness."
"You are also an animagus, are you not?"
"I am."
"And you believe my sister has the kind of power she claims?"
"No," he says. "She is being modest.

Author: Rae Carson