Belgariad 1: Pawn of Prophecy - David Eddings, Penguin Random House Children's UK

Long ago, the evil God Torak fought a war to obtain an object of immense power - the Orb of Aldur. But Torak was defeated and the Orb reclaimed by Belgarath the sorcerer. For the stories also tell of a prophecy that must be fulfilled - a destiny handed do