Eris will Lina und die anderen töten, um den echten Rezo zu rächen, dessen Tod sie sehr unglücklich gemacht hat.
Rezo's secret is revealed in the book found in his institute. However it is too early to celebrate as Rezo and Eris storm into the institute. Rezo has great power and Lina discovers that this Rezo is a clone controlled by a device on his forehead. Eris is also very tough. 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 holding down Gourry, Rezo and Eris break Rezo's seal and create Zanaffer, a demonic 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.
El secreto que oculta Rezo es desvelado en el libro que se encuentra en el laboratorio. Sin embargo, aún es pronto para cantar victoria, ya que Rezo y Eris irrumpen en la sala y los amigos tendrán que derrotarlos en combate...
ついにレゾの遺産である、「クレアバイブルの写本」を手に入れたリナたち。だが、そこに突然レゾとエリスも姿を現した。圧倒的な力で迫るレゾ。エリスはスキをついてリナたちからレゾの遺産を奪い取り、ガウリイにコントロール装置を仕掛け、リナたちと戦わせている間に恐怖の魔獣を呼び起こすのだが…。
레조의 유산을 둘러싸고 싸움을 벌이던 중 레조가 앨리스가 만든 복제인간이라는걸 알게되고 엘리스는 전설의 마수 자나파의 부활을 시키려한다. 그러나 복제인간 레조가 엘리스를 처치해버린다.
