I think the place where we spent the least time was the place that I started to call the village of the Beasts since there are only religions linked to the Beasts there.
Diana unknowingly performed the ritual or ceremony she wanted the moment she arrived, High Priest Garcia told us that according to historical records it was supposed to happen instinctively.
No prayers, oaths, or anything else was needed because Diana was not a Priestess or servant of the God Fenrir, she was his champion and representative of his power in the world.
Vanessa once explained to me that a Saint is the voice of God in the world, he spreads the teachings of God by simply being present, he is the authority of that God in the world.
She also explained to me that just as a Saint, the Champion of a God represents God's power in the world, he is the final judgment of those who go against the central dogma of God's teachings, and he represents a religion's sword and shield.