The Immortal and the Cold Saint Begin to Swap Bodies

When Su Wen woke up, he found that every once in a while, he would switch bodies with the cold-blooded saint in the Holy Land of Immortality Cultivation in another world. So, Su Wen was like this, carrying the body of the saint and making waves in the holy land. The saint also carries Su Wen's body and practices in the modern world. One day, Su Wen returned to his body and found that he was already invincible.