"During the Middle Ages, the dragons were considered a symbol of apostasy and treason, although also a symbol of rage and envies. Dragons of multiple heads meant decay, oppression and heresy, although also they were considered an independence emblem".
"Many dragons represented Wisdom. To kill a dragon was considered a passport to wealth, and the demonstration of what a hero was really capable of and his astuteness. An example of this symbology we found it in a famous Germanic epic adventure: The Nibelungs (Das Nibelungenlied), whose hero Siegfried slays the dragon Fafnir-..."
"In some cultures like the Chinese, or in populations near the Himalayas, dragons are considered amulets to attract good luck."