Dragons in Greek mythology placed it in the heavens as the constellation Cancer. After slaying the serpent, Heracles buried the immortal head under a rock and dipped his arrows in the creature's blood to make them fatal to his enemies. In one version, the poisoned arrows would eventually prove to be the undoing of his centaur tutor Chiron, who was placed in the heavens as the constellation Centaurus. In Greek mythology Python was the earth-dragon of Delphi, always represented in the vase-paintings and by sculptors as a serpent. Various myths represented Python as being either male or female (a drakaina). Python was the chthonic
Lerna Lerna In classical Greece, Lerna () was a region of springs and a former lake near the east coast of the Peloponnesus, south of Argos. Even though much of the area is marshy, Lerna is located on a geographically narrow point between mountains and the ocean, along an ancient route from the Argolid to the southern Peloponnese; this location could have potentially resulted in the importance of the settlement. Its site near the village Mili at the Argolic Gulf is most famous as the lair of the Lernaean Hydra, the chthonic many-headed water snake, a creature of great antiquity when