In Greek myth
dragons were set by the gods to guard golden treasures. The reason being that dragons were the most fearsome monster and would deter would-be thieves.
The two most famous examples are the
Dragon of
the Golden Fleece (in the sacred grove of the
god Ares), and the Dragon of the Golden Apples (in the sacred grove of the Hesperides).
In Greek drakon (the source for our word dragon) means "
the watcher" from drakein the Greek verb meaning to stare.
In Greek legends dragons were also described living in the
mountains of India where they guarded the sources of gold. Sometimes instead of dragons, the guardians were griffins or giant ants. But in every case, the creature simply represented something which was fearsome and...