Fragments of memory came surging back, beyond his control. It was the second-grade talent-show class, when every child eagerly demonstrated their newly awakened abilities. When it was Lin Feng's turn, he nervously tried to show off something “impressive,” but somehow tripped over his own feet and took a spectacular face-first dive in front of the whole class. Silence gave way to roaring laughter. The teacher helplessly wrote down: “Ability display: suspected loss of balance?” The laughter that day marked the beginning of his nightmares.