The first book in the fourth arc, Sword of the Canon, finds Arithon and Lysaer on an unstoppable path toward direct conflict Half-brothers Arithon and Lysaer were laid under a curse of lifelong enmity when they defeated the Mistwraith and freed the world of Athera. Now Arithon has been magically imprisoned and his memories have been removed. Meanwhile his daughter is being raised and trained by his enemy, the Koriani enchantress, but when she eventually learns of her father's existence, she chooses her own destruction to secure his freedom. Still ruled by the Mistwraith's curse, Lysaer will stop at nothing to find and destroy the newly freed Arithon.

The long-awaited second book of the fourth story arc - Sword of the Canon - in the epic fantasy series, the Wars of Light and Shadow. Lysaer’s unstable integrity lies under threat of total downfall, and as his determined protector, Daliana will face the most frightening decision of her young life. Arithon, Master of Shadow, is marked for death and still hunted, when his critical quest to recover his obscured past entangles him in a web of deep intrigue and ancient perils beyond his imagining. Elaira’s urgent pursuit of the Biedar Tribes’ secret embroils her in the terrible directive of the Fellowship Sorcerers, while Dakar—the Mad Prophet—confronts the hard reckoning for the colossal mistake of his misspent past, and Tarens is steered by a destiny far from his crofter’s origins. The penultimate volume of The Wars of Light and Shadow will touch the grand depths of Athera’s endowment, and deliver the thrilling finale of arc IV, the Sword of the Canon. War, blood, magic, mystery – and the most hidden powers of all – will stand or fall on their hour of unveiling.