The Doppelganger Technique was a cultivation technique commonly seen in novels. It referred to the ability to split certain parts of the body or elements into multiple individuals through continuous cultivation and training to achieve the effect of increasing strength and endurance. In different novels, the names and specific methods of the avatar flow might be different, such as the Heavenly Silkworm Potato in Battle Through the Heavens, True Lord Xuanyang in Heaven Covering, and so on.