Reincarnation of the Immortal Lord of the City

Lu Qian ascended to the immortal world at the age of 100, lived in the immortal world for 50,000 years, and became the most magnificent Tongxuan Immortal Lord. However, he was unexpectedly betrayed by his apprentice, causing his body to die and his soul to wander outside the world. The young man who had been bullied was willing to sacrifice his life for the immortal in order to avenge his kindness. The Immortal comes back alive, but fifty years have passed since the Earth