The quest for the long-lost Elfstones has drawn the leader of the Druid order and her followers into the hellish dimension known as the Forbidding, where the most dangerous creatures from the Four Lands are imprisoned. Now the hunt for the powerful talismans that can save their world has become a series of great challenges: a desperate search for kidnapped comrades, a relentless battle against unspeakable predators, and a grim race to escape the Forbidding alive.