Are there any piece of entertainment (book,movie,show,vidya etc.) that you know it is ficiton but you believe it actually represents something real.
Father Malachi Martin said WindSwept House was written as fiction for libel avoidance reasons. Good book, evil in The Vatican.
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I've always felt there is some truth (or realism) to the final fantasy mythology. Not so much the monsters and magic--I'm not a divtard-- but the mythology of ancient civilizations that had harnessed the power of elements, and worshipped that power in crystal form. It's all very new age/antediluvian, and makes for a good "alternative history" romp if you're baked.