Longevity: Start from an Invincible Inn

In the apocalyptic world eroded by Guixu, Li Changle, a mortal who cannot practice cultivation, has become the owner of "Youjian Inn", the only pure land at the end of the world. Here, the immortal emperors and demons have to wait in line, and the giants of good and evil have to abide by the rules. A bowl of Yangchun noodles can buy you a century of luck; a side dish of clear porridge can buy you a lifetime of memories. He thought he was just tricking the big guys in the three realms to save enough energy for traveling, but he didn't know that every transaction was uncovering a terrifying truth that had been buried for thousands of years by the ancient fairy court. When the light of the inn becomes the last hope, is this immortal and sinister boss the savior of the world, or the next one to return to ruins?