Most Magi believed the Puzzle of Perplex to be a mere curiosity. Yet generations of wizards had broken themselves trying to solve it. And even after the Grand Magus thought he finally grasped the crux of its secret, the epiphany of true meaning came only much later--that the knowledge at the heart of Perplex might allow him to alter the very foundations of magic itself. Now, no longer limited to masterful mimicry, Rubick toys with the boundaries of arcane artistry, reshaping the world of magic as he sees fit; always hungry for new preternatural mysteries to unravel and respool, and the undiscovered kingdoms of magic they too might reveal.