"It's not very useful," she continued once she'd caught her breath. "The only practical use is to slow a fall, and most unicorns can't do it well enough to make any difference." She reached out with her horn and picked up the rock again. "Teleportation is different—it uses different principles." She glanced across the yard, focusing on the far corner. A second later she vanished in a golden flash and reappeared across the yard in a similar manner. A pair of distinct pops occurred nearly simultaneously.