The age of peace that has reigned across the Four Lands is now at an end. An army of invaders, wielding a terrible new magic, is cutting a bloody swathe across the far north . . . The fate of the world now rests on the shoulders of an exiled druid, a conflicted warrior and a young woman struggling to master a powerful magic. As the conflict grows, they will face dangerous adversaries and deadly challenges - and the consequences of their actions will determine the future of the Four Lands.