Lina and her friends rush to the lowest level of Rezo's institute. Tiva, the demon who has been guarding the institute get on their way. Tiva is easily beaten by Lina as his magic was sealed by Rezo. Tiva guides our heroes to the lowest level. They break the last seal and go into the laboratory filled with junks. They look for Rezo's secret, but have no clue what is what. Then Tiva pulls out a mask which enfolds his magic power sealed by Rezo. Tiva regains his power and attacks Lina and her friends. Tiva's evil magic is too powerful to destroy. But they find a book entitled "A copy of Claire Bible." All the Rezo's secrets are written in this book. Our heroes manage to crush Tiva with the force of book.