Heart of black ice : sister of darkness

Set in the world of the Sword of Truth saga, the sorceress Nicci, the wizard Nathan Rahl and the young swordsman Bannon, fight to save the Old World from an existential threat. In the wake of the brutal war that swept the Old World in Siege of Stone, a new danger is forming along the coast. Taken captive by their enemies, King Grieve, along with Lila and Bannon are about to discover the terrifying force that threatens to bring destruction to the Old World.