Transmigrating into a fantasy world, I became an elderly Holy Body Supreme, with only two years left to live? Just as Shen Li was in despair, the system activated, allowing him to transmigrate to the highest-level advanced primordial world. Shen Li then directly transmigrated to a level nine advanced primordial world, and upon returning to the fantasy world, he was instantly invincible! What Great Emperors, Supreme Beings, Immortal Kings, Immortal Emperors—they were all ants before the advanced primordial world! This book features primordial worlds of various levels, as well as various original Xianxia and fantasy worlds.