Fafnir is a character from Norse mythology known as a dragon or serpent that was originally a dwarf. He transformed into a fearsome beast due to his greed for gold and treasure, representing themes of avarice and the corrupting power of wealth. Fafnir's tale is intertwined with the legend of Sigurd, who ultimately slays the dragon and gains wisdom from tasting its blood, showcasing the duality of destruction and enlightenment associated with such mythical creatures.
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