Elias And the Sacred Files: House of the First Echo:

Sacred Files" is not just a book-it is a doorway.
Inside its pages lies the untold legacy of a family cursed to confront the darkness that hides behind faith, relics, and forgotten rituals. Elías never knew the truth about his grandfather-until the day he inherited the sacred relics and the forbidden book that revealed his destiny. With each page, with each battle, Elías steps deeper into a world where demons whisper, shadows breathe, and the line between salvation and damnation fades away. ...