Rezo’s secret is revealed in the book found in his institute. It is too early to toast. Rezo and Eris storm into the institute. Rezo has atrocious power. Lina finds this Rezo is a clone with the control device on his forehead. Eris is also fierce. Two fiends take the book of secrets back and in a split second, attach the control device on Gourry. While Lina and Amelia are busy to hold wild Gourry, Rezo and Eris break Rezo's seal and create Zanaffer, the satanic beast. Eris is excited to find Rezo's inheritance. Then, the clone Rezo attacks Eris. When the clone is out of Eris's control, it is awakened to his self-conscious, and resists the master.