        “I need to watch what she’s doing,” Twilight commented, going over to a telescope aimed at the large patio off the dining hall.  “I won’t say that I don’t trust her—since you and Luna seem to—but in my experience, she has a history of being, um, overly boastful, and I know she’s good enough at illusion to make me believe I’m seeing what she wants me to see.  You should stay back from the edge of the balcony; I don’t want her to spot you.”  As soon as she spoke, she grimaced, remembering that if Trixie really could easily spot magical auras, she’d know the Princess was there, even through the stone.