Claymore Volume 18 (Paperback) by Yagi Norihiro
After finding herself mysteriously drawn to the lair of Riful of the West Clare made contact with the fused form of Rafaela and Luciela which Awakened and transformed into the terrible being known as the Destroyer. Now the entire land of Lautrec is subject to its dreadful relentless assault. It seems that nothing and no one can halt the devastation. But there may be one force that is greater still...