A recent ancestor is the parent of a family of dragons. A dragons' DNA has magical immunity & can lead to discovery of various organisms. A theory suggests that DNA makes magical energy, but a very small amount. In Muggle history, a myth suggests that a knight from Switzerland named Heinrich von Winkelried, killed a dragon. Supposedly, the dragon was murdering cattle & frightened the Wile people. The myth is that once the dragon was murdered, the knight touched the blood & it destroyed him.

In the Wizarding World, witches & wizards know that most parts of a dragon can be used for potion ingredients. Some of the twelve magical uses of dragon blood consists of an anesthetic, a painkiller, a cleaning agent, a disinfecting agent, & sometimes, poison. Dragon heartstrings are used to make certain wands & it is the most powerful of cores. Witches & wizards use dragon claws, dung, horns, hide, liver, & meat for magical uses. Dragon's skin is magic resistant unless it's a stunning spell. Dragon liver is used as antidotes to powerful poisons. Using the Severing Charm will not cut the liver, but does increase the chance of a backfire. In 1709, breeding dragons was illegal at the Warlocks' Convention. Dragon eggs is a Class A Non-Tradeable Material (illegal). Chinese Fireball eggs are common ingredients for fertility & luck potions.

Fun Facts
⊱ Geographic locations is one of the reasons the population separation occurs. This separation causes dragons to have fifteen different breeds.
⊱ No one knows if Sir Heinrich really murdered the dragon or took credit for someone else's doing.
⊱ Using dragon claws can damage your nervous system & can sometimes be long-lasting. Short-term usage can lead to loss of memory after the effects wear down.
⊱ Dragon claws are for gaining memory loss & intelligence. However, dragon claws increases the chemicals in your brain to intensify the boost in intelligence.