The title you're referring to, Jashin Shoukan: Inran Kyonyuu Oyako Ikenie Gishiki
In the damp, flickering shadows of a subterranean temple, the air hung heavy with the scent of ancient incense and ozone. High Priest Valerius stood before a monolith of obsidian, his voice chanting in a rhythmic, guttural tongue that seemed to vibrate the very stones of the altar. The title you're referring to, Jashin Shoukan: Inran