he is a descendant from a line of people known as ''Wyvernvessels.'' Individuals who once existed who were sealed with the spirits of ancient dragons, they had the ability to harness the power of the spirits and it would grant the individual with their own unique abilities & dragon-like appearance/attire. Nowadays though, most Wyvernvessels have died out due to them being hunted for their power. Asura seemingly being the last one and most learn how to master his powers.