( yeah, this... is not news to Steak. apparently Tierra is the only world with such a concept, although people like Marie and Saber seem to come from places with similar occurrences, just without the food part. )

We're created from the energy in food and drink and summoned by humans to serve and protect them from the Fallen Angels on Tierra.

( he rattles this off so quickly it's obvious he has said iterations of this to many, many people in Aefenglom. )