The Record of the Three Realms of Seeking Immortality

In order to save his sick father, he went into the mountains alone to seek immortality and medicine, and in the end he was accepted as a disciple by the Taoist ancestor of the immortal world? Not even a day after becoming a master, the master died? A "well-intentioned" elder brother leads me to explore the world of immortality, but I keep thinking about taking his life? Don't think I'm just an earth spirit root, but if you get serious, my cultivation speed can beat the sky spirit root by several blocks!