Apollo taught to the humans the art of healing and archery. Phoebe, his grandmother, gave the oracular shrine of Delphi to Apollo as a birthday gift. Themis inspired him to be the oracular voice of Delphi thereon. Later, with his bow and arrows that he had received from Hephaestus, Apollo went in search of the chthonic dragon Python, which lived in Delphi beside the Castalian Spring, and was a terror to the people. Hera had sent this serpent to hunt the pregnant Leto to her death across the world. To avenge the trouble given to his mother, Apollo killed Python in
Horned Serpent of a Lindorm in Northern Europe, especially in Southern Scandinavia, and most of all as described in folklore in Eastern Denmark (including the provinces lost to Sweden in 1658). There, too, it is a water creature of huge dimensions, while in Southern Sweden it is a huge snake, the sight of which was deadly. This latter characteristic is reminiscent of the basilisk. In Mesopotamian mythology Ningishzida, is sometimes depicted as a serpent with horns. In other depictions, he is shown as human but is accompanied by "bashmu", horned serpents. Ningishzida shares the epithet "ushumgal", "great serpent", with several other Mesopotamian