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,
Romano-Germanic culture on the other hand, the nucleus of what was to become the kingdom of Germany and ultimately German-speaking Europe, the syncretism was less pronounced since only its southernmost portion had ever been part of the Roman Empire, as Germania Superior: all territories on the right hand side of the Rhine remain Germanic-speaking. Those parts of the Germanic sphere extends along the left of the Rhine, including the Swiss plateau, the Alsace, the Rhineland and Flanders, are the parts where Romano-Germanic cultural contact remains most evident. Early Germanic law reflects the coexistence of Roman and Germanic cultures during the Migration period