Wistoria: Wand and Sword Volume 12

Shade, a mage of Goetia, turned out to be the one controlling Emma, and she proved eager to test out her puppet magic on more of Will's allies. Will manages to drive her off with the help of a few remaining friends, but Goetia's ultimate goal remains shrouded in mystery. Can Will and the others find whoever in the Tower is behind all this, and stop their machinations in time?