The sea holds secrets the land could not bury. With peace restored, Ranger dreams of a future without bloodshed - while Isle trains to become a Guardian worthy of his name. But when pirates threaten the realm, duty calls them to the coast. In Seaburne, Isle feels an unsettling pull to the past he cannot remember. As they set sail aboard the Vengeful Voyager, ancient artifacts, hidden truths, and long forgotten secrets rise from the depths. In this third book of the Isle of the Dark series, Isle's past is revealed - and nothing will ever be the same.