As the weeks went by, and still no one spoke, they plowed deeper and deeper into areas of magic Quentin never thought he’d have the guts to try. They practiced transformations. He learned to unpack and parse the spell that had turned them into geese (much of the trick, it turned out, was in shedding, storing, and then restoring the difference in body mass). They spent a hilarious afternoon as polar bears, wandering clumsily in a herd over the packed snow, swatting harmlessly at each other with giant yellow paws, encased as they were in layers of fur, hide, and fat. Their bear bodies felt clumsy and top heavy, and they kept toppling over sideways onto their backs by accident. More hilarity.

Nobody liked him, but it became apparent that Mayakovsky was no fraud. He could do things Quentin had never seen done at Brakebills, things he didn’t think had been done for centuries. One afternoon he demonstrated, but did not allow them to try, a spell that reversed the flow of entropy. He smashed a glass globe and then neatly restored it again, like a film clip run in reverse. He popped a helium balloon and then knitted it back together and refilled it with its original helium atoms, in some cases fishing them from deep inside the lungs of spectators who had inhaled them. He used camphor to smother a spider—he showed no particular remorse about this—and then, frowning with the effort, brought the spider back to life. Quentin watched the poor thing creep around in circles on the tabletop, hopelessly traumatized, making little dazed rushes at nothing and then retreating to a corner, hunched up and twitching, while Mayakovsky moved on to another topic.

One day, about three months into the semester, Mayakovsky announced that they would be transforming into Arctic foxes for the afternoon. It was an odd choice—they’d already done a few mammals, and it was no tougher than becoming a goose. But why quibble? Being an Arctic fox turned out to be a hell of a lot of fun. As soon as the change was in effect Quentin shot out across the snowpack on his four twinkling paws. His little fox body was so fast and light, and his eyes were so close to the ground, that it was like flying a high-performance jet at low altitude. Tiny ridges and crumbs of snow loomed up like mountains and boulders. He leaped over them and dodged around them and crashed through them. When he tried to turn he was going so fast he skidded and wiped out in a huge plume of snow. The rest of the pack gleefully piled on top of him, yipping and yapping and snapping.