Cultivation of Immortality, Starting from Shared Cultivation Level and Becoming Invincible

The two protagonists of Xianxia time travel are reborn King Zhao Zheng, the king of Zhao, wanted to seek immortality and immortality since he was a child. However, before he could find it, his uncle joined forces with foreign countries to raise troops to rebel. As a result, he was brought to the world of immortality of his dreams by the strange stone pendant he had found earlier. But because Shi Pei was trapped in the body of Prince Zhao Hai. "No! Brother! I thought you were dead before I possessed you! Why are you alive again!"