Embody Antonio Manuel, a government archivist who has obtained demonic powers by reading aloud sealed scriptures bearing a fragment of Nergal, the demon who will accompany you from now on, guiding himself with his voice. Use this power to subdue your enemies and absorb their vital energy. Explore the Abbey of the Arrows of San Sebastián and face the servants of the Archangels. Discover the truth about the Seven Seals in Sacramentum.

Antonio Manuel obtains demonic powers from Nergal, allowing him to subdue enemies and absorb their energy. In the Abbey of the Arrows of San Sebastián, he will face servants of the Archangels with special relics. By mastering the ways to defeat these servants, he will be able to use them at will with the proper prayers.