The reincarnation will occur when an adapted body possessing the factor perfectly matches with the soul. Taking over the body of the soul it was originally supposed to be in and be born while pretending to be it. Many from the ancient dragon-tribe have been reincarnated into the present by using this method of reincarnation. Perugius is one of them. Furthermore, he does not remember about his previous life because he reincarnated with his vague childhood memories."[12]