New answers tagged literature
Well I can't possibly find hidden archives using Google but there are ancient archives. And hopefully this would be a relief to you in some way. And I'm community wiki-ing this answer as this is only a partial answer right now.
Zoroastrianism had the concept of good-evil dualism with a Satan-like opposite of God (Ahriman) and hell/heaven concept where the souls of good people / bad people go accordingly. Jewish mysticism was most probably influenced by Zoroastrianism, and Christianity and Islam got it from the Jewish mysticism.
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