Storious creates the Grimoire Wonder Ride Book using Legeiel, Zooous, Isaac, Tassel, and Charybdis' powers along with the Tome of Omniscience and reanimates the Sword of Logos' Four Sages to serve him. Meanwhile, despite struggling to stop Wonder World's collapse, Touma and his fellow swordsmen must face Storious if they hope to save the world.