The Ryuuga Clan is a legendary clan whose ancestor was one of the first 500 people to gain chakra through the power of the Sage Of Six Paths. But the gaining of the chakra caused a random change in DNA for the ancestor, creating the Dragonic Chakra. The Ryuuga Clan live in a mountain up north of the Lightning Country. The mountain they reside on is called Mount Arashimaru, the peak of storms. It is said that once one could control the wind, the lightning, or the heat with no hand seals, their Dragonic Chakra reserve was active.