Belgariad 2: Queen of Sorcery - David Eddings, Penguin Random House Children's UK

Legends tell how Belgarath the sorcerer and his daughter Polgara defeated the evil God Torak, imprisoning him in an endless sleep. But now a priest of Torak is racing to his God with the Orb of Aldur and is racing to reawaken him. Belgarath and Polgara