The Gospel of Shadows enabled the Catholic Church to control all manner of supernatural beings for centuries.
But it also weakened the barriers that exist between the worlds, and now beings of pure evil are breaking through -- creatures from other dimensions for which Hell is just.
When the book was destroyed -- and the ruling body of the Church with it -- it enabled the Shadows, the vampires of legend, to learn the hidden truth of their triple nature: part human, part demonic, part divine.
The Gospel of Shadows enabled the Catholic Church to control all manner of supernatural beings for centuries