I Traveled Through Time and Raised a Snake Demon Named Xiaoqing?

Bad news: I traveled through time and became a disciple of the left. Raising ghosts requires a long life, and I will die soon. Good news: After the death of the master, the first step out of the sect awakened the system. [The most powerful life-borrowing system] can absorb the life of all things in the world. Zombies, ghosts, mountain spirits, strange beasts... Formation, talismans, dharma, luck... The journey of cultivating Taoism is full of hardships and long way to go. Later, the lifespan of raising a ghost became longer and longer, so Lin Fei could only go out and travel, and he was happy to have a great demon son. Green hair, good looking. So what if I call her Xiaoqing? A few years later, someone hit me on a bridge. A scholar apologized: "My name is Xu Sheng..."