Noting the green flash of her jewel, and therefore genuine ignorance on my part, the princess conceded some information for once. “When dark magic threatens the crystal ponies, they call upon its light to rid them of whatever evil lurks in their home. As long as they remain focused and positive, this city is nearly invincible. At least, that is how it is supposed to work.” She eyed me in what was either suspicion or disgust, probably both. “I wasn’t aware there could be exceptions.”