Mythrus
Mythrus was a Terran warrior-goddess that was informally worshiped by soldiers a thousand years before the Battle of Terra.[1a]
Her worshipers believed she watched over them[1b] and they secretly met in underground chapels dedicated to Mythrus. There they practiced their faith, known as the Mythraic creed,[1a] and offered thanks to the goddess after they survived a battle[1b]. It was thought that the worship of Mythrus had ended by the time the Emperor rose to power[1a]. While not widely practiced, private and even secret worship of Mythrus survived well into the era of the Imperial Truth, including some members of the Hundred and Fifth Tercio Upland Grenadiers Imperial Army Regiment.[1b]
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