Fafnir blood. The earth quaked and the ground nearby shook as Fafnir appeared, blowing poison into his path as he made his way to the stream. Sigurd, undaunted, stabbed Fafnir in the left shoulder as he crawled over the ditch he was lying in and succeeded in mortally wounding the dragon. As the creature lay there dying, he spoke to Sigurd and asked for his name, his parentage and who sent him on such a dangerous mission. Fafnir figured out that his own brother, Regin, plotted this, and predicted that Regin would also cause Sigurd's death. Sigurd told Fafnir that he
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