Abu Mslim Nāme is the life-story of Abu Muslim of Khorāsān written on the basis of mythological structure of Dragon-Killer. After the assassination of Abu Muslim, Iranians, once more gave credit to conventional myths, but reevaluated them so much that they finally converted history to mythology. The present article, after a structural analysis of Abu Muslim’s life-story, examines the diverse transformations and displacements in Fereydoon Myth (The Dragon-Killer) in order to explain the reasons of these changes based on historical and psychological documents. The article concludes that these evolutions have taken place mostly under the influence of religious functions and in cases due to the effects of literary imagination.
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