Like the idea of the cult; worshipping evil. When Jade sees the man drinking blood from the skull, it's possible it's another memory; because the man seems to offer it to Jade; perhaps that's when the original ritual took place, and Jade remembers refusing.
Dating them back to only the 50s doesn't explain the visions of people in Civil War and pilgrim attire, the old age of the church and the aged smaller village found in S3. It would be better to try and explain why the monsters and town took the form of the 50s, even though they are much older.
Like the idea of the cult; worshipping evil. When Jade sees the man drinking blood from the skull, it's possible it's another memory; because the man seems to offer it to Jade; perhaps that's when the original ritual took place, and Jade remembers refusing.
Dating them back to only the 50s doesn't explain the visions of people in Civil War and pilgrim attire, the old age of the church and the aged smaller village found in S3. It would be better to try and explain why the monsters and town took the form of the 50s, even though they are much older.