Then he struck, in a series of martial arts moves that blurred his icon. Andy didn’t quite see what happened, but one second the knight was a threat and the next, it was staggering back, its armor disarticulating. The shed pieces, along with whatever they might have contained, shriveled into floating shreds of ash. Last to go was the knight’s head, which seemed to be trying to say something as it crinkled and shrank.