The dragon is naturally depicted as a large and powerful reptile or serpent, with magical or spiritual traits and usually represented as having wings, huge claws, and a fiery breath. Dragons were alleged by the Greeks to be a great sources of knowledge and wisdom. The Romans considered them sacred creatures.
The Roman legions adopted it in the first century AD partially because of its fearsome qualities, it was employed as a military emblem. In the sacred writings of the ancient Hebrews, the dragon frequently represents death and evil. In Christian art, the dragon is a symbol of sin. Among the Celtic conquerors of Britain the dragon was a symbol of sovereignty.
The dragon also figures in the mythology of various Asian countries, notably Japan and China. Among the Chinese people, the dragon is traditionally regarded as a symbol of good fortune and was the national emblem of the Chinese Empire.