The most extensive text sometimes associated with Mithraism, the so-called Mithras Liturgy preserved within the broader Greek Magical Papyri and catalogued as its own entry elsewhere in this atlas, is treated with genuine scholarly caution rather than confidence, since it comes from a magical papyrus tradition operating outside any known mithraeum or documented Mithraic institutional context, and specialists in Roman religion remain divided over whether it represents authentic, if unusually preserved, Mithraic liturgy, or a separate syncretistic magical composition that borrowed Mithras's name and solar imagery without representing mainstream Mithraic practice as it was actually conducted within initiated communities. This uncertainty about even the most substantial candidate text for Mithraic liturgical content illustrates just how limited confident knowledge of actual Mithraic prayer remains, in sharp contrast to publicly practiced state religions such as Roman civic religion, discussed elsewhere in this atlas, whose formulas were recorded openly rather than deliberately withheld from outsiders. This entry records the corpus as a whole and the specific structural reason, intentional ancient secrecy rather than accidental loss, that a single representative Mithraic prayer cannot responsibly be offered in its place.