Proto-Indo-European mythology realm of Midgard. Other dragon-slaying myths are also found in the Germanic tradition. In the "Völsunga saga", Sigurd slays the dragon Fafnir and, in "Beowulf", the eponymous hero slays a different dragon. Reflexes of the Proto-Indo-European dragon-slaying myth are found throughout other branches of the language family as well. In Zoroastrianism and Persian mythology, Fereydun, and later Garshasp, slays Zahhak. In Slavic mythology, Perun, the god of storms, slays Veles and Dobrynya Nikitich slays the three-headed dragon Zmey. In Armenian mythology, the god Vahagn slays the dragon Vishap. In Romanian folklore, Făt-Frumos slays the fire-spitting monster Zmeu. In Celtic mythology,
Norse mythology mythology, comparisons to other attested branches of Germanic mythology (such as the Old High German Merseburg Incantations) may also lend insight. Wider comparisons to the mythology of other Indo-European peoples by scholars has resulted in the potential reconstruction of far earlier myths. Of the mythical tales and poems that are presumed to have existed during the Middle Ages, Viking Age, Migration Period, and prior, only a tiny amount of poems and tales survive. Later sources reaching into the modern period, such as a medieval charm recorded as used by the Norwegian woman Ragnhild Tregagås—convicted of witchcraft in Norway in the