Gram (mythology) Sigurd of the mighty dragon, Fafnir, and the treasure which it guards, asking Sigurd to slay it for him. Sigurd agrees on one condition: that Regin make him a mighty sword capable of slaying such a monster. Regin confidently makes Sigurd an admirable sword, but when Sigurd sees it, he is disappointed and breaks it over the anvil. On his second attempt, Regin makes him a sword superior to the last, but it also breaks. On his third attempt, Sigurd brings Regin the two halves of Gram, his father's sword, and when he strikes the anvil with Gram, it is
Fafnir while cooking the heart, gained knowledge of the speech of birds and learned of Regin's impending attack from the Oðinnic (of Odin) birds' discussion and killed Regin by cutting off his head with Gram. Sigurd then ate some of Fafnir's heart and kept the remainder, which would later be given to Gudrun after their marriage. Some versions are more specific about Fáfnir's treasure hoard, mentioning the swords Ridill and Hrotti, the helm of terror and a golden coat of chainmail. Fafnir appears – as "Fafner" – in Richard Wagner's epic opera cycle "Der Ring des Nibelungen" (1848–1874), although he began