When a group of Claymore come to kill Teresa for killing a human, she slays them all except the powerful ringleader, whom she spares. This display of human weakness will have devestating consequences for them all.

Clare and a group of Claymores are sent to the north to battle a group of Yoma that have banded together under the command of Isley, a powerful Awakened Being. When the warriors arrive, they find their new enemies to be unusually dangerous. They are incredibly strong, well organized, and seem to have a plan to dominate the entire region. Will the Claymores be able to stop this monstrous army?